Grandstream Networks, Inc.
COPYRIGHT ©2019 Grandstream Networks, Inc. http://www.grandstream.com All rights reserved. Information in this document is subject to change without notice. Reproduction or transmittal of the entire or any part, in any form or by any means, electronic or print, for any purpose without the express written permission of Grandstream Networks, Inc. is not permitted. The latest electronic version of this guide is available for download here: http://www.grandstream.
U.S. FCC Part 68 Regulatory Information This equipment complies with Part 68 of the FCC rules. Located on the equipment is a label that contains, among other information, the ACTA registration number and ringer equivalence number (REN). If requested, this information must be provided to the telephone company. The REN is used to determine the quantity of devices which may be connected to the telephone line.
U.S. FCC Part 15 Regulatory Information This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
Directive 2014/53/EU Regulatory Information This applies to GRP2612W/GRP2614/GRP2615/GRP2616 only Operating Frequency Band (RF) Max Power 2402-2480MHz (TX&RX) BT-EDR 8.15dBm 2402-2480MHz (TX&RX) BT-BLE 7.21dBm 802.11b 18.15dBm 802.11g 18.42dBm 802.11n-20 19.06dBm 802.11a 19.28dBm 802.11n-20 18.78dBm 802.11n-40 19.10dBm 802.11ac20 18.89dBm 802.11ac40 18.66dBm 802.11ac80 15.80dBm 802.11a 18.63dBm 802.11n-20 18.60dBm 802.11n-40 18.93dBm 802.11ac20 18.59dBm 802.11ac40 18.
Caution: Exposure to Radio Frequency Radiation This equipment complies with EU radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance of 20 cm between the radiator and your body. CE Authentication Hereby, Grandstream Networks, Inc. declares that the radio equipment GRP2612W, GRP2614, GRP2615 and GRP2616 are in compliance with Directive 2014/53/EU.
GNU GPL INFORMATION GRP26XX firmware contains third-party software licensed under the GNU General Public License (GPL). Grandstream uses software under the specific terms of the GPL. Please see the GNU General Public License (GPL) for the exact terms and conditions of the license. Grandstream GNU GPL related source code can be downloaded from Grandstream web site from: http://www.grandstream.com/sites/default/files/Resources/grp_gpl_color.tar.gz Page | 7 GRP26XX Administration Guide Version 1.0.1.
Table of Contents DOCUMENT PURPOSE ............................................................................................... 12 CHANGE LOG .............................................................................................................. 13 Firmware Version 1.0.1.17 ...................................................................................................................... 13 Firmware Version 1.0.1.7.................................................................................
Maintenance Page Definitions ................................................................................................................. 93 Directory Page Definitions ..................................................................................................................... 100 BLF LED PATTERNS ................................................................................................. 104 NAT SETTINGS ....................................................................................
Table of Tables Table 1: GRP26XX Features in a Glance ................................................................................................... 16 Table 2: GRP2612/GRP2612P/GRP2612W Technical Specifications ........................................................ 17 Table 3: GRP2613 Technical Specifications ............................................................................................... 19 Table 4: GRP2614 Technical Specifications ....................................................
Table of Figures Figure 1: GRP26XX Package Content ........................................................................................................ 24 Figure 2: Phone Stand and Mounting Slots on the GRP26XX ................................................................... 25 Figure 3: Tab on the Handset Cradle .......................................................................................................... 25 Figure 4: GRP26XX Back / Side View .............................................
DOCUMENT PURPOSE This document describes how to configure GRP26XX features via phone’s LCD menu and Web GUI menu. The intended audiences of this document are phone administrators. To learn the basic functions of GRP2612 / GRP2612P / GRP2612W / GRP2613 / GRP2614 / GRP2615, please visit http://www.grandstream.com/support to download the latest “GRP26XX User Guide”.
CHANGE LOG This section documents significant changes from previous versions of user manuals for GRP26XX. Only major new features or major document updates are listed here. Minor updates for corrections or editing are not documented here. Firmware Version 1.0.1.17 • Added the ability to add the MAC address to the User-Agent [MAC in User-Agent] • Added support for Chile time zone. [Time Zone] • Added support for new provision file. [Configuration File Download] Firmware Version 1.0.1.
GUI INTERFACE EXAMPLES http://www.grandstream.com/sites/default/files/Resources/GRP26XX_web_gui.zip 1. Screenshot of Login Page 2. Screenshots of Status Pages 3. Screenshots of Accounts Pages 4. Screenshots of Settings Pages 5. Screenshots of Network Pages 6. Screenshots of Maintenance Pages 7. Screenshots of Phonebook Pages P a g e | 14 GRP26XX Administration Guide Version 1.0.1.
WELCOME Thank you for purchasing Grandstream GRP26XX Carrier-Grade IP Phones. GRP2612/GRP2612P/GRP2612W is featuring 4 dual-color line keys (can be digitally programmed as up to 16 provisionable BLF/fast-dial keys), 2.4” (320x240) TFT color LCD, 4 programmable context-sensitive soft keys, 100M network ports, integrated PoE (GRP2612P & GRP2612W only), integrated dual-band WiFi (GRP2612W only), 3-way conference, and Electronic Hook Switch (EHS).
PRODUCT OVERVIEW Feature Highlights The following table contains the major features of the GRP26XX phones: Table 1: GRP26XX Features in a Glance 4 dual-color line keys (can be digitally programmed as up to 16 provisionable BLF/fast-dial keys). 2.4” (320x240) TFT color LCD. GRP2612 4 programmable context-sensitive soft keys. GRP2612P 100M network ports. GRP2612W Integrated PoE (GRP2612P & GRP2612W only). 3-way conference. Electronic Hook Switch (EHS).
10 dual-color line keys (can be digitally programmed as up to 40 provisionable BLF/fast-dial keys). GRP2615 4.3” (480x272) TFT color LCD. 5 programmable context-sensitive soft keys. 1000M network ports. Integrated PoE. Wi-Fi and Bluetooth support. 3-way conference. Electronic Hook Switch (EHS). 6 dual-color line keys (can be digitally programmed as up to 24 provisionable BLF/fast-dial keys). 4.3” (480x272) TFT color LCD. 5 programmable context-sensitive soft keys.
Hold, transfer, forward, 3-way conference, call park, call pickup, shared-callappearance (SCA), bridged-line-appearance (BLA), downloadable phonebook Telephony Features (XML, LDAP, up to 1000 items), call waiting, call log (up to 2000 records), customization of screen, off-hook auto dial, auto answer, click-to-dial, flexible dial plan, hot desking, personalized music ringtones and music on hold, server redundancy and fail-over HD audio Yes, both on handset and full-duplex handsfree speakerphone Base Sta
Table 3: GRP2613 Technical Specifications SIP RFC3261, TCP/IP/UDP, RTP/RTCP/RTCP-XR, HTTP/HTTPS, ARP, ICMP, Protocols/Standards DNS (A record, SRV, NAPTR), DHCP, PPPoE, SSH, TFTP, FTP/FTPS NTP, STUN, SIMPLE, LLDP, LDAP, TR-069, 802.1x, TLS, SRTP, IPv6 Network Interfaces Graphic Display Dual switched auto-sensing 10/100/1000 Mbps Ethernet ports with integrated PoE 2.
Package Content GRP2613 phone, handset with cord, base stand, universal power supply, network cable, Quick Installation Guide FCC: FCC Part 15B, Class B；FCC Part 68 HAC. Compliance CE: EN 55032; EN 55035; EN 61000-3-2; EN 61000-3-3; EN 62368-1. RCM: AS/NZS CISPR 32；AS/NZS 62368.1；AS/CA S004.
Upgrade/Provisioning Power & Green Energy Efficiency Firmware upgrade via TFTP/FTP/FTPS/HTTP/HTTPS, mass provisioning using TR-069 or encrypted XML configuration file Universal power adapter included: Input:100-240V; Output: +12V, 0.5A; Integrated Power-over-Ethernet (802.3af) Max power consumption: 6W Dimension : 234mm x 213mm x 82.
plan, Hot Desking, personalized music ringtones and music on hold, server redundancy and fail-over HD audio Extension Module Yes, both on handset and full-duplex handsfree speakerphone Yes, can power up to 4 GBX20 modules which features 4.3” Color LCD, 20 quickdial/BLF keys which dual-color LED, 2 navigation keys. Base Stand Yes, allow 2 angle positions Wall Mountable Yes, (*wall mount sold separately) QoS Layer 2 (802.1Q, 802.
Wi-Fi Yes, dual-band 6 line keys with up to 6 SIP accounts, 24 speed-dial/BLF extension keys with dual-color LED, 5 programmable contexts sensitive Softkeys, 5 navigation/menu Feature Keys keys, 11 dedicated function keys for: MESSAGE (with LED indicator), PHONEBOOK, TRANSFER, CONFERENCE, HOLD, HEADSET, MUTE, SEND/REDIAL, SPEAKERPHONE, VOLUME+, VOLUME- Voice Codec Auxiliary Ports Support for G.729A/B, G.711µ/a-law, G.726, G.
GETTING STARTED This chapter provides basic installation instructions including the list of the packaging contents and also information for obtaining the best performance with the GRP26XX phone. Equipment Packaging Table 7: Equipment Packaging GRP26XX • 1 x GRP26XX Main Case. • 1 x Handset. • 1 x Phone Stand. • 1 x Ethernet Cable. • 1 x Power Adapter. • 1 x Phone cord. • 1 x Quick Installation Guide. • 1 x GPL License.
GRP26XX Phone Setup The GRP26XX phones can be installed on the desktop using the phone stand or attached on the wall using the slots for wall mounting. Figure 2: Phone Stand and Mounting Slots on the GRP26XX Using the Phone Stand For installing the phone on the table with the phone stand, attach the phone stand to the bottom of the phone where there is a slot for the phone stand. (Upper half, bottom part). Using the Slots for Wall Mounting 1.
Connecting the GRP26XX To setup the GRP26XX, follow the steps below: 1. Connect the handset and main phone case with the phone cord. 2. Connect the LAN port of the phone to the RJ-45 socket of a hub/switch or a router (LAN side of the router) using the Ethernet cable. 3. Connect the PSU output plug to the power jack on the phone; plug the power adapter into an electrical outlet. If PoE switch is used in step 2, this step could be skipped. 4. The LCD will display provisioning or firmware upgrade information.
• When the phone is in idle, pressing and holding the UP-navigation key for 3 seconds can see phone’s IP address, IP setting, MAC address and software address. The MENU options are listed in the following table. Table 8: Configuration Menu Call History Displays Local call logs: All Calls/Answered Calls/Dialed Calls/Missed Calls/Transferred Calls Displays account status, network status, software version number and Hardware • Account status. • Network status.
Preference sub menu includes the following options: • Do Not Disturb Enables/disables Do Not Disturb on the phone. • Keypad Lock Turns on/off keypad lock feature and configures keypad lock password. The default keypad lock password is null. If user enabled Star Key lock without configuring password, user can unlock keypad by holding * key 4 seconds and pressing “OK” button. • Sounds o Ring Tone Configures different ring tones for incoming call.
o Default Input Selection Selects the Input mode from Multi-Tap and Shiftable. By default, it is Multi-Tap. Multi-Tap: User may tap the same key multiple times to switch to the desired character. Shiftable: After pressing the number button, user will see the IDs of the characters that matching to the button. User can select the desired character by entering the corresponding ID on keypad.
o Layer 2 QoS Configures 802.1Q/VLAN Tag and priority value. Select “Reset VLAN Config” to reset VLAN configuration. • Wi-Fi Settings (GRP2612W & GRP2614 & GRP2615 & GRP2616 only) o Enables/disables Wi-Fi Enables/disables Wi-Fi o Scan Scan available Wi-Fi networks. • Bluetooth Settings (GRP2614/GRP2615 & GRP2616 only) o Bluetooth Status Displays the status of Bluetooth o Bluetooth MAC Displays the GRP phone’s Bluetooth MAC address.
o Upgrade Via Specifies upgrade/provisioning via TFTP/FTP/FTPS/HTTP/HTTPS. o Start Provision Starts Provision immediately. • • Language Download o Auto Language Download o Language Download Factory Functions o Diagnostic Mode All LEDs will light up. All keys’ name will display in red on LCD screen before diagnosing. Press any key on the keypad to diagnose the key’s function. When done, the key’s name will display in blue on LCD. Lift and put back the handset to exit diagnostic mode.
o End User Password This is used to change end user password for Web UI access. o Settings Turns on/off Test Password Strength feature. This will allow only passwords with some constraints to ensure better security. • Operations o Factory Reset It is used to restore the phone to factory default settings. o Ping and Traceroute It is used to show the route taken by packets across to an URL. o Alternative firmware It is used to show current and alternative firmware versions available on the phone.
The following picture shows the keypad MENU configuration flow: MENU Call History Status Contacts Messages Preference Phone Local Call Logs Account Status Network Status System information Provider Status Local Phonebook Local Group LDAP Directory Ring Tone Ring Volume Instant Messages Voice Mails Active LCD Brightness Idle LCD Brightness Active LCD Timeout Screensaver Screensaver Timeout Do Not Disturb Keypad Lock Sounds Appearance Language and Input Date Time Search Mode SIP Call Features Ne
Configuration via Web Browser The GRP26XX embedded Web server responds to HTTP/HTTPS GET/POST requests. Embedded HTML pages allow a user to configure the IP phone through a Web browser such as Google Chrome, Mozilla Firefox and Microsoft’s IE. To access the Web GUI: 1. Connect the computer to the same network as the phone. 2. Make sure the phone is turned on and shows its IP address. You may check the IP address by pressing and holding UP arrow button for 3 seconds when phone is at idle state. 3.
Saving Configuration Changes After users makes changes to the configuration, press the "Save" button will save but not apply the changes until the "Apply" button on the top of web GUI page is clicked. Or, users could directly press "Save and Apply" button. We recommend rebooting or powering cycle the phone after applying all the changes. Rebooting from Remote Locations Press the "Reboot" button on the top right corner of the web GUI page to reboot the phone remotely.
CONFIGURATION GUIDE This section describes the options in the phone’s Web GUI. As mentioned, you can log in as an administrator or an end user. • Status: Displays the Account status, Network status, and System Info of the phone. • Account: To configure the SIP account. • Settings: To configure call features, ring tone, audio control, LCD display, date and time, Web services, XML applications, programmable keys etc. • Network: To configure network settings.
OpenVPN® IP The OpenVPN® IP obtained on the phone. Subnet Mask The subnet mask obtained on the phone. Gateway The gateway address obtained on the phone. DNS Server 1 The DNS server address 1 obtained on the phone. DNS Server 2 The DNS server address 2 obtained on the phone. Affinity Broadcast The status of Affinity Broadcast on the phone. (Available on GRP2614, GRP2615 & GRP2616 only). PPPoE Link Up PPPoE connection status. NAT Type The type of NAT connection used by the phone.
System Information Download system information User Space Shows the percentage of the user space used and the status of the Database Core Dump Screenshot Shows the status of the core dump and the core dump files generated if any. It also gives the ability to generate GUI/Phone core dump files manually. Download captured screenshots. Press “Start” button to clear screenshots.
IP address or Domain name of the Primary Outbound Proxy, Media Gateway, or Session Border Controller. It’s used by the phone for Firewall or Outbound Proxy NAT penetration in different network environments. If a symmetric NAT is detected, STUN will not work and ONLY an Outbound Proxy can provide a solution. Backup Outbound IP address or Domain name of the Secondary Outbound Proxy which will be Proxy used when the primary proxy cannot be connected.
If the user wishes to locate the server by DNS SRV, the user may select “SRV” or “NATPTR/SRV”. If “Use Configured IP” is selected, please fill in the three fields below: • Primary IP • Backup IP 1 • Backup IP 2 If SIP server is configured as domain name, phone will not send DNS query, but use “Primary IP” or “Backup IP x” to send SIP message if at least one of them are not empty. Phone will try to use “Primary IP” first.
This parameter configures whether the NAT traversal mechanism is activated. Users could select the mechanism from No, STUN, Keep-alive, UPnP, Auto or VPN. The default setting is “Auto”. If set to “STUN” and STUN server is configured, the phone will route NAT Traversal according to the STUN server. If NAT type is Full Cone, Restricted Cone or Port-Restricted Cone, the phone will try to use public IP addresses and port number in all the SIP&SDP messages.
Specifies the frequency (in minutes) in which the phone refreshes its Subscribe Expiration subscription with the specified registrar. The maximum value is 64800 (about 45 days). The default value is 60 minutes. Reregister Before Specifies the time frequency (in seconds) that the phone sends re- Expiration registration request before the Register Expiration. The default value is 0. Enable OPTIONS Keep Enable OPTIONS Keep Alive to check SIP Server. Alive Default is “Yes”.
This option is used to control the port information in the Via header and Use Actual Ephemeral Contact header. If set to No, these port numbers will use the permanent Port in Contact with listening port on the phone. Otherwise, they will use the ephemeral port for TCP/TLS the connection. The default setting is “No”. The Outbound proxy mode is placed in the route header when sending SIP messages, or they can be always sent to outbound proxy.
Add Auth Header on To define whether authorization Header will be added on initial REGISTER Initial REGISTER from the first REGISTER. The default setting is “No”. This is used to perform a factory reset through SIP NOTIFY. When the phone Allow SIP Reset receives the NOTIFY with Event: reset, the phone should perform a factory reset after the authentication. The default setting is “No”. Ignore Alert-Info This option is used to configure default ringtone.
• If Yes for REGISTER only, the sip message for register or unregister will contains MAC address in the header, and all the outgoing SIP messages except REGISTER message will attach the MAC address to the User-Agent header; • Use MAC Header If Yes to all SIP, the sip message for register or unregister will contains MAC address in the header, and all the outgoing SIP message including REGISTER will attach the MAC address to the User-Agent header; • If No, neither will the MAC header be included in the r
in the key mode, choose account, enter the value of each extension in the list. When option is enabled, empty multi-purpose keys will be automatically provisioned to the monitored extensions in the “Eventlist BLF” or “Presence Auto Provision Eventlist BLFs Eventlist”. • Disabled • BLF Eventlist • Presence Eventlist The default setting is “Disabled”. Conference URI Music On Hold URI Configures Conference URI for N-way conference (Broadsoft Standard).
type. The default setting is “Standard”. Broadsoft When set to “Yes”, a Softkey “BSCCenter” is displayed on LCD. User can access different Broadsoft Call Center agent features via this Softkey. Broadsoft Call Center Please note that “Feature Key Synchronization” will be enabled regardless of this setting. Default setting is “Disabled”. Note: To activate this feature, users need to change the special feature to Broadsoft and setup the Broadsoft Call Center to take effect. Broadsoft Hoteling event feature.
Min-SE Caller Request Timer Callee Request Timer The minimum session expiration (in seconds). The default value is 90 seconds. The valid range is from 90 to 64800. If set to “Yes” and the remote party supports session timers, the phone will use a session timer when it makes outbound calls. The default setting is “No”. If set to “Yes” and the remote party supports session timers, the phone will use a session timer when it receives inbound calls. Default setting is “No”.
Configures the phone to use which codec sequence to negotiate as the Codec Negotiation callee. When set to “Caller”, the phone negotiates by SDP codec sequence Priority from received SIP Invite. When set to “Callee”, the phone negotiates by audio codec sequence on the phone. The default setting is “Callee”. Hide Vocoder When option Hide Vocoder is set as Yes, the coded will be hidden from call screen as bellow. The default setting is “No”.
This option determines the encoding rate for G723 codec. Users can choose G723 Rate from 6.3kbps encoding rate and 5.3kbps encoding rate. The default setting is “5.3kbps encoding rate”. G.726-32 Packing Selects “ITU” or “IETF” for G726-32 packing mode. Mode The default setting is “ITU”. iLBC Frame Size iLBC Payload Type OPUS Payload Type DTMF Payload Type This option determines the iLBC packet frame size. Users can choose from 20ms and 30ms. The default setting is “30ms”.
a) xx+ - at least 2-digit numbers b) xx — only 2-digit numbers c) ^ — exclude d) [3-5] — any digit of 3, 4, or 5 e) [147] — any digit of 1, 4, or 7 f) <2=011> - replace digit 2 with 011 when dialing g) | — the OR operand h) , - second dial tone. For example: {0,x+} will play second dial tone after dialing 0 and all digits will be sent including 0 i) {X123} — match Z123, e123, 5123, … j) Flag T when adding a “T” at the end of the dial plan, the phone will wait for 3 seconds before dialing out.
Explanation of example rule (reading from left to right): • ^1900x. — prevents dialing any number started with 1900; • <=1617>[2-9]xxxxxx — allows dialing to local area code (617) numbers by dialing 7 numbers and 1617 area code will be added automatically; • 1[2-9]xx[2-9]xxxxxx |- allows dialing to any US/Canada Number with 11 digits length. • 011[2-9]x — allows international calls starting with 011; • [3469]11 — allows dialing special and emergency numbers 311, 411, 611 and 911.
Disables recovery to the call to the transferee on failing blind transfer to the target. The default setting is “No”. Notes: 1) This feature only applies to blind transfer; Disable Recovery on Blind Transfer 2) This feature depends on how server handles transfer. If there is any NOTIFY from server, this feature won’t take effect. If server responds 4xx, phone should try to recover regardless of this option.
xx+ : at least 2-digit number; xx : only 2-digit number; [345]xx: 3-digit number with the leading digit of 3, 4 or 5; [6-9]xx: 3-digit number with the leading digit from 6 to 9. • Alert Info text Users could configure the matching rule as certain text (e.g., priority) and select the custom ring tone mapped to it. The custom ring tone will be used if the phone receives SIP INVITE with Alert-Info header in the following format: Alert-Info:
call feature will be handled by Broadsoft server, not by the phone. Do Not Disturb (DND)—On Do Not Disturb (DND)—Off Call Forward Unconditionally (All)— On Call Forward Unconditionally (All)— Off Target Call Forward Busy— On Configures DND feature code to turn on DND. Configures DND feature code to turn off DND. Configures Call Forward All feature code to activate unconditional call forwarding.
Gives users the ability to define the parameter of the local RTP port used to Local RTP Port Range listen and transmit. This parameter defines the local RTP port from 48 to 10000. This range will be adjusted if local RTP port + local RTP port range is greater than 65486. Default setting is 200. When set to “Yes”, this parameter will force random generation of both the local SIP and RTP ports. This is usually necessary when multiple phones Use Random Port are behind the same full cone NAT.
FTP/HTTP User Name Specifies User Name to access FTP/HTTP server. FTP/HTTP Password Specifies Password to access FTP/HTTP server. Outbound Notification Enable Outbound Notification Indicates whether Outbound Notification feature is enabled. Default is “Enabled”. For more details refer to [OUTBOUND NOTIFICATION SUPPORT]. Settings → Broadsoft → Broadsoft XSI Configures XSI Directory. • Server Configure the BroadWorks Xsi server URI.
o SIP User Name. Configure SIP Username for the BroadWorks XSI server. o SIP User ID. Configure SIP User ID for the BroadWorks XSI server. o SIP Password Configure SIP Password for the BroadWorks XSI server. • Sort Phonebook by Select to sort phonebook entries by “Last Name” or “First Name”. The default setting is “Last Name”. Enable/Disable Broadsoft Network directories and defines the directory name.
features on the phone. If keep the Name box blank, the phone will use the default name “Outgoing” for it. • Received Call Log Enable/Disable and rename the BroadWorks XSI Placed Call Log features on the phone. If keep the Name box blank, the phone will use the default name “Incoming” for it. Settings → Broadsoft → Broadsoft IM&P • Server Broadsoft IM&P server address. Usually not necessary to configure and can already be found in the Broadsoft IM&P username.
GDS, the access password is the one configured on “Remote PIN to Open the Door” field on GDS3710/GDS3705 settings. Settings → Call Features Preferred default Account Predictive Dialing Feature Predictive Dialing Source Onhook Dial Barging Off-hook Auto Dial Off-hook Auto Delay Off-hook Timeout Selects the preferred default account when offhook/onhook dialing. When selected account is unavailable, system will fall back to use the first available account instead.
Automatic Redial The interval between each call attempt using Automatic Redial feature. The Interval valid range is 1 – 360. The default value is “10”. Bypass Dial Plan Through Call History and Directories Disable Call Waiting Enable/Disable the dial plan check while dialing through the call history and any phonebook directories. The default setting is “No”. Disables the call waiting feature. The default setting is “No”. Disable Call Waiting Disables the call waiting tone when call waiting is on.
Specifies the function of mute key in idle. Default setting is “DND”. Mute Key Functions While Idle When select “Idle Mute” and press Mute key while idle, the future incoming call will be answered with mute. When select “Disabled”, Mute key will not take effect while idle. The default setting is “DND”. Allows the phone to accept certain incoming calls while set to DND mode. DND Override • Off: all incoming calls will not be accepted. • Allow all: all incoming calls will be allowed.
the account and dial to the target number. The default setting is “Disabled”. For more details refer to [CLICK-TO-DIAL]. Sets the default call log list after select MENU→CALL HISTORY. Default call log type Broadsoft Call Log or Local Call Log option will only show its own list. Default option will keep both call log lists. The default setting is “Default”. When refusing the incoming call. The phone will send the selected type of SIP message of the call.
Instant Message Configures the number of seconds that the message will remain on screen. Popup Timeout The valid range is 10 – 900. The default setting is “10”. Play Tone On If enabled, phone will play a short tone when receiving an IM during idle Receiving IM state. Default setting is “Disabled”. Allow Incoming Call This allows incoming calls after dialed but before ringing. This can be used Before Ringing under custom user configuration based on need. Default setting is “No”.
Allowed in DND Mode Allow Multicast Paging when DND mode is enabled. Default Setting is “No”. During active call, if incoming multicast page is higher priority (1 being the Paging Barge highest) than this value, the call will be held and multicast page will be played. The default setting is “Disabled”. If enabled, during a multicast page if another multicast is received with higher Paging Priority Active priority (1 being the highest) that one will be played instead. The default setting is “Enabled”.
• Busy to Idle • Open DND • Close DND • Open Forward • Close Forward • Open Unconditional Forward • Close Unconditional Forward • Open Busy Forward • Close Busy Forward • Open No Answer Forward • Close No Answer Forward • Blind Transfer • Attended Transfer • Transfer Finished • Transfer Failed • Hold Call • UnHold Call • Mute Call • IP Change • Auto-Provision Finish Up to 10 destinations can be configured here.
➢ When Speaker/Handset is being used in dialing/talking status, press HEADSET button to switch to headset. Press it again to hang up the call. Or press speaker/Handset to switch back to the previous mode. 2. Toggle Headset/Speaker: ➢ When the phone is in idle, press HEADSET button to switch to Headset mode. The headset icon will display on the left side of the screen. In this mode, if pressing Speaker button or Line key to off hook the phone, headset will be used.
between 5 to 1440 minutes. The default setting is “1440” minutes. Allow DHCP Option 42 Override NTP Server Time Zone Allow DHCP Option 2 to Override Time Zone Setting Defines whether DHCP Option 42 should override NTP server or not. When enabled, DHCP Option 42 will override the NTP server if it’s set up on the LAN. The default setting is “No”. Configures the date/time used on the phone according to the specified time zone. The default setting is “Auto”.
Selects display language on the phone. There are 21 languages can be set Display Language as display language, user could also choose “Auto” or “Downloaded Language” as display language. The default setting is “Auto”. Configures the default input selection. Default Input Selection • Multi-Tap: multi-tap to switch character; • Shiftable: select input from available characters. The default setting is “Multi-Tap”.
Upload Wallpaper Click on the “Upload” button to browse and upload the desired wallpaper file. This option will take effect when wallpaper source is “Uploaded”. Enter a color you wish to use in HEX format. E.g. #000000 Color Background Reference: http://htmlcolorcodes.com Please note the user must select “Color Background” in “Wallpaper Source” option in order to use the configurable color background code.
Configures the color and pattern of the LED based on status updates. The BLF LED Pattern default setting is “Default”. The BLF LED Patterns are listed in [BLF LED PATTERNS]. Disable VM/MSG The VM/MSG light cannot flash even though there’s an unread voice mail or power light flash message when set to “Yes”. Default settings is “No”. BLF LED Pattern Users could view the color and pattern of the LED status based on the BLF Explanation Form status update.
If enabled, the VPK label’s background will match the status of the VPK and Show Label will no longer be transparent. Background The default setting is “No”. If enabled, the VPK label will extend as far as possible. Use Long Label The default setting is “Yes”. Call Screen Settings If set to “Line Mode”, the amount of VPKs will be the amount of lines you can have. If set to “Account Mode”, the lines will be grouped by account, so the VPKs could hold more lines in one account.
• Speed Dial Select the Account to dial from. And enter the Speed Dial number in the Value field to be dialed, or enter the IP address to set the Direct IP call as Speed Dial. • Busy Lamp Field (BLF) Select the Account to monitor the BLF status. Enter the extension number in the Value field to be monitored. • Presence Watcher This option has to be supported by a presence server and it is tied to the “Do Not Disturb” status of the phone’s extension.
• Monitored Call Park Select account from Account field, and enter the call park extension in the Value field to park/pick up the call, and also monitor the parked call via Line Key’s light. • Intercom Select Account, and enter the extension number in the Value field to do the intercom. • LDAP Search This option is to narrow the LDAP search scope. Enter the LDAP search base in the Description field. It could be the same or different from the Base in LDAP configuration under Advanced Settings.
configuration of call log for other extension. • Menu Select this feature in order to display the Menu from the MPK buttons, no field dis required for configuration. • XML Application Select this feature in order to start the XML Application from the MPK buttons, no field dis required for configuration.
• Presence Eventlist This option is similar to the Presence Watcher option but in this case the PBX collects the information from the phones and sends it out in one single notify message. Note: The PBX server has to support this feature. • Provision Select this feature in order to make the phone trigger an instant provisioning. Accounts Selects the account to be used with specific VPK. Description Enters a label for VPK. Value Specifies value for VPK depending on the mode selected.
the configured Speed Dial number using account 2. • Dial DTMF Enter a series of DTMF digits in the Value field to be dialed during the call. “Enable MPK Sending DTMF” has to be set to “Yes” first. • Voice Mail Select Account and enter the Voice Mail access number in the Value field. • Call Return The last answered calls can be dialed out by using Call Return. The Value field should be left blank.
Since the Base for LDAP server configuration is: “dc=78randstream,dc=com”, “ou=video,ou=SZ” is added to narrow the LDAP search scope. “sn=Li” is the example to filter the last name. • Conference Allow user to set their Multi-Purpose Key to “Conference” mode to trigger a conference. By setting the extension number in the value box, the users will be able to activate a 3-way conference by simply press the assigned MPK button. • Multicast Paging This option is for multicast sending.
• Forward Set the MPK Button to perform call forwarding to the destination number configured on the “Value Field”. During ringing press the button to perform the call forward. • DND Press the configured key to enabled/Disable DND. • Redial On this mode, the configured key can be used to redial numbers.
With the enhanced Menu mode, the MORE softkey now will not need the user to tap multiple times on MORE to get to next pages, instead, pressing MORE will have a popup window and allow users to choose from the list. With Toggle mode, users need to press MORE softkey to switch between options. The default setting is “Menu”. Show Target Softkey Allows users to remove target softkey by toggle Yes/No option during the offhook dial screen and transfer screen. The default setting is “Yes”.
Custom Softkey 3. • Default Softkeys: BT On/Off, Cancel, EndCall, ReConf, ConfRoom, ConfCall. Customizes softkey layout when device is under call connected State. • Available Softkeys: Phonebook(BT), BT On/Off, EndCall, ReConf, ConfRoom, ConfCall, Cancel, NewCall, Swap, Transfer, Trnf>VM, DialDTMF, BS-CCenter, Record On/Off(UCM), Record On/Off, CallPark(UCM), PrivateHold, CallPark. Show/Hide Label, Hold, Conference, Mute, Custom Softkey 1, Custom Softkey 2, Custom Call Connected State Softkey 3.
Target. Customizes softkey layout when device is under Conference State. • Available Softkeys: BT On/Off, Cancel, Dial, Backspace, Target, Show/Hide Label, Custom Softkey 1, Custom Softkey 2, Custom Conference State Softkey 3. • Default Softkeys: BT On/Off, Cancel, Dial, Backspace, Target. Settings → Programmable Keys → Idle Screen Softkeys Displays Idle Screen Softkeys index. (1 – 2) Order (1 – 2) The GRP26XX support 4 configurable Softkeys.
For example: If users set MPK 1 as “LDAP Search” for “Account 1”, and set filters: Description -> ou=video,ou=SZ,dc=grandstream,dc=com Value -> sn=Li Since the Base for LDAP server configuration is “dc=83randstream,dc=com”, “ou=video,ou=SZ” is added to narrow the LDAP search scope. “sn=Li” is the example to filter the last name. • Call Log Select Account and enter account number in the Value field to access to the Call Log of that selected account.
• Dial DTMF Enter a series of DTMF digits in the Value field to be dialed during the call. “Enable MPK Sending DTMF” has to be set to “Yes” first. • Voice Mail Select Account & enter the Voice Mail access number in the Value field. • Call Return The last answered calls can be dialed out by using Call Return. The Value field should be left blank. Also, this option is not binding to the account and the call will be returned based on the account with the last answered call.
Account Selects the account to be used with specific softkey. Description Enters a label for softkey. Value Specifies value for softkey depending on the mode selected. Settings → Web Service Use Auto Location Configures to enable or disable auto location services on the phone. (Reboot Service Required). The default setting is “Yes”. Enables or disables automatic service update on phone.
alert quality report to the central report collector. The valid range is 0 – 49. The default value is “0”. Warning Threshold for Delay Critical Threshold for Delay Configure the threshold value of one way delay (in milliseconds) that causes the phone to send a warning alert quality report to the central report collector. The valid range is 0 – 65535 The default value is “0”.
PPPoE Password Enter the PPPoE Password. PPPoE Service Name Enter the PPPoE Service Name. Ipv4 Address Enter the IP address when static IP is used. Subnet Mask Enter the Subnet Mask when static IP is used for IPv4. Gateway Enter the Default Gateway when static IP is used for IPv4. DNS Server 1 Enter the DNS Server 1 when static IP is used for IPv4. DNS Server 2 Enter the DNS Server 2 when static IP is used for IPv4. Preferred DNS Server Enters the Preferred DNS Server for Ipv4.
be separated by commas. Layer 3 QoS for SIP Layer 3 QoS for RTP Enable DHCP VLAN Enable Manual VLAN Configuration Defines the Layer 3 QoS parameter for SIP. This value is used for IP Precedence, Diff-Serv or MPLS. The default value is 26. Defines the Layer 3 QoS parameter for RTP. This value is used for IP Precedence, Diff-Serv or MPLS. The default value is 46. Enables auto configure for VLAN settings through DHCP. Disabled by default. Enables/disables manual VLAN configuration.
List of allowed IP address from which the phone receives action URI. The Action URI allowed IP list Allowed IP addresses are separated by a comma such as “192.168.1.1,192.168.1.2”. Set this field to “any” to allow any IP address to send Action URL to the phone. The default value is empty string which means no IP address is allowed for remotely control the phone. Indicates whether CSTA Control feature is enabled.
For a new upload, users could click on “Delete” to erase the last certificate, and then upload a new one. Specifies the Cipher method used by the OpenVPN® server. The available options are: OpenVPN® Cipher Method • Blowfish • AES-128 • AES-256 • Triple-DES The default setting is “Blowfish”. OpenVPN® Username OpenVPN® Password Configures the optional username for authentication if the OpenVPN server supports it. Configures the optional password for authentication if the OpenVPN server supports it.
SNMP Trap Community string associated to the trap. It must match the community string Community of the trap receiver. SNMP Username Username for SNMPv3 • noAuthUser: Users with security level noAuthnoPriv and context name as noAuth. Security Level • authUser: Users with security level authNoPriv and context name as auth. • privUser: Users with security level authPriv and context name as priv.
• DES • AES The default setting is “None”. Trap Authentication Key Trap Privacy Key Enter the Trap Authentication Key Enter the Trap Privacy Key. P a g e | 92 GRP26XX Administration Guide Version 1.0.1.
Network → WiFi Settings (Available on GRP2612W & GRP2614 & GRP2615 & GRP2616 only) Enables / Disables the WiFi on the phone. Three options are available: Enable/Disable WiFi • No: Disables WiFi. User has ability to enable WiFi from LCD Menu. • Off & Hide Menu from LCD: Disables WiFi and hides “WiFi Settings” menu from phone LCD. • Yes: Enables WiFi to connect to WiFi network. Default setting is “No”. Country Specifies the Wi-Fi encryption type. SSID Access Point Enters WiFi SSID name to connect.
DHCP option 43 approach has priorities. The phone is allowed to fall back to the original server path configured in case the server from option 66 fails. The default setting is “Yes”. When enabled, users could select Option 150 or Option 160 to override the Additional Override DHCP Option firmware server instead of using the configured firmware server path or the server from option 43 and option 66 in the local network.
Enables your ITSP to lock configuration updates. If configured, only the Config File Postfix configuration file with the matching encrypted postfix will be downloaded and flashed into the phone. XML Config File The password for encrypting XML configuration file using OpenSSL. This is Password required for the phone to decrypt the encrypted XML configuration file. Sets the phone system to authenticate configuration file before applying it.
Firmware Firmware Upgrade Allows users to choose the firmware upgrade method: Via TFTP, FTP, FTPS, HTTP or HTTPS. The default setting is “HTTP”. Firmware Server Path Defines the server path for the firmware server. Firmware HTTP/HTTPS User The user name for the HTTP/HTTPS server. Name Firmware HTTP/HTTPS The password for the HTTP/HTTPS server. Password Enables your ITSP to lock firmware updates.
Syslog Keyword Filtering Syslog will be filtered based on keywords provided. If you enter multiple keywords, it should be separated by ‘,’. Please note that no spaces are allowed. Configures whether the SIP log will be included in the syslog messages. The Send SIP Log default setting is “No”. Note: By setting Send SIP Log to Yes, the phone will still send SIP log from syslog even when Syslog Level set to NONE.
• Constraint Mode: The phone will require administration password to change the Network, Upgrade and Factory Reset options under System submenu, and SIP option under Phone submenu as well. • Locked Mode: The phone menu and changing MPK/VPK/Line are disabled. The default setting is “Unrestricted”. Allow Configure MPK through LCD Validate Server Certificates Enable/Disable configuration of MPKs through LCD by long pressing MPKs. This option is available on GRP2614 & GRP2616 only.
Web Session Configures timer to logout web session during idle. The valid range is 2-60 min. Timeout The default value is 10 min Web Access Attempt Configures attempt limit before lockout. The valid range is 1 – 10. The default Limit value is “5”. Maintenance → Security Settings→ Trusted CA Certificates Trusted CA Allows to upload and delete the CA Certificate file to phone.
Directory Page Definitions Directory → Contacts Search Bar Allows users searching for phonebook entries. Specifies Contact’s First Name, Last Name, Phone Number, Accounts and Groups Blacklist, Whitelist, Work, Friends and Family) to add one new contact in phonebook. Add Contact Note: If the contact number belongs to Blacklist group, the call from this number will be blocked. If the contact number belongs to Whitelist group, when the phone is on DND mode, the call from whitelist number will be allowed.
Sort Phonebook by Download XML Phonebook Upload XML Phonebook Sort phonebook based on the selection of first name or last name. The default setting is “Last Name”. Click on "Download" to download the XML phonebook file to local PC Click on "Upload" to upload local XML phonebook file to the phone. Control the behavior of phonebook key. There are five options: Default, LDAP Phonebook Key Search, Local Phonebook, Local Group, and Broadsoft Phonebook.
User Name Password Configures the bind "Username" for querying LDAP servers. Some LDAP servers allow anonymous binds in which case the setting can be left blank. Configures the bind "Password" for querying LDAP servers. The field can be left blank if the LDAP server allows anonymous binds. Configures the filter used for number lookups.
Search Timeout Sort Results LDAP Lookup Specifies the interval (in seconds) for the server to process the request and client waits for server to return. The default setting is 30 seconds. Specifies whether the searching result is sorted or not. Default setting is "No". Configures to enable LDAP number searching when dialing and receiving calls. Configures the display name when LDAP looks up the name for incoming call or outgoing call. This field must be a subset of the LDAP Name Attributes.
BLF LED PATTERNS Table 14: BLF LED Patterns Pattern: Default Pattern: Analog Call’s state Light Indication Call’s state Light Indication Offline Off Offline Off Idle Solid Green Idle Solid Green Trying Solid Red Trying Solid Red Talking Solid Red Talking Solid Red Proceeding Flashing Red Proceeding Solid Red Incoming call Flashing Red Incoming call Flashing Red Pattern: Directional Mode: Inverse Call’s state Light Indication Call’s state Light Indication Offline Off Of
Mode: Reserved (Red) Call’s state Offline Idle Mode: Reserved (Green) Light Indication Off (Extension Board Icon: Off) Off (Extension Board Icon: Idle) Call’s state Offline Idle Light Indication Off (Extension Board Icon: Off) Off (Extension Board Icon: Idle) Trying Solid Red Trying Solid Green Talking Solid Red Talking Solid Green Proceeding Solid Red Proceeding Solid Green Incoming call Flashing Red Incoming call Flashing Green P a g e | 105 GRP26XX Administration Guide Version 1.
NAT SETTINGS If the devices are kept within a private network behind a firewall, we recommend using STUN Server. The following settings are useful in the STUN Server scenario: • STUN Server Under Settings→General Settings, enter a STUN Server IP (or FQDN) that you may have, or look up a free public STUN Server on the internet and enter it on this field. If using Public IP, keep this field blank. • Use Random Ports It is under Settings→General Settings. This setting depends on your network settings.
BLUETOOTH (AVAILABLE ON GRP2614/GRP2615 & GRP2616 ONLY) Bluetooth is a proprietary, open wireless technology standard for exchanging data over short distances from fixed and mobile devices, creating personal area networks with high levels of security. GRP2614/GRP2615 & GRP2616 supports Bluetooth version 5. On the phone, users could connect to cellphones (supporting Bluetooth) via hands free mode or use Bluetooth headset for making calls.
PACKET CAPTURE GRP26XX is embedded with packet capture function. The related options are under Maintenance→Packet Capture. Figure 5: Packet Capture in Idle User can also define whether RTP packets will be captured or not from With RTP Packets option. When the capture configuration is set, press Start button to start packet capture. The Status will become RUNNING while capturing, as showed in Figure 6: Packet Capture when running. Press Stop button to end capture.
CLICK-TO-DIAL From GRP26XX Web GUI, users could dial out with Click-to-Dial feature on the top of the Web GUI. Before using the Click-To-Dial feature, make sure the option "Click-To-Dial Feature" under web GUI→Settings→Call Features is turned on. If no account registered, the icon will be in grey ; If click to dial is disabled, but account is registered, the icon will be in green, and clicking on the icon will do nothing.
OUTBOUND NOTIFICATION SUPPORT Outbound notification options can be found under device web UI→Settings→Outbound Notifications. In the web UI, there are three sections under Outbound Notifications: “Action URL”, “Destination” and “Notification”. • Action URL To use Outbound Notification→Action URL, users need to know the supported events and the dynamic variables for the supported events.
Figure 8: Action URL Settings Page Table 16: Action URL - Supported Dynamic Variables Supported Dynamic Variables Dynamic Variable Description $phone_ip The IP address of the phone $mac The MAC address of the phone $product The product name of the phone $program_version The software version of the phone $hardware_version The hardware version of the phone $language The display language of the phone $local The called number on the phone $display_local The display name of the called number on
After the user finishes setting Action URL on phone’s web UI, when the specific phone event occurs on the phone, phone will send the Action URL to the specified SIP server. The dynamic variables in the Action URL will be replaced by the actual values. Here is an example: Configure the following Action URL on the phone’s web UI→Settings→Outbound Notification→Action URL: Incoming Call: 172.18.24.103/mac=$mac&local=$local Outgoing Call: 172.18.24.103/remote=$remote&phone_ip=$phone_ip On hold: 172.18.24.
• P8312 Missed Call P8313 Established Call P8314 Terminated Call P8316 Open DND P8317 Close DND P8318 Open Forward P8319 Close Forward P8320 Blind Transfer P8321 Attended Transfer P8324 Hold Call P8325 UnHold Call Destination The options under phone’s web UI→Settings→Outbound Notification→Destination configures the server information destination of the outbound notification. Click on “Add Destination” and users will see following window to configure destination server information.
The following table describes each option in the above interface. Table 18: Action URL – Add Destination Settings Destination Server Option Description Destination Name Identify the destination name. It must be unique. Configure the protocol associated with the destination server. Currently Protocol XMPP and SMTP are supported. Enable SSL Configure whether to use SSL to encrypt for SMTP protocol. This option is not editable for XMPP. Destination Address Configure destination server address, e.g.
P9915 Destination 6 P9916 Destination 7 P9917 Destination 8 P9918 Destination 9 P9919 Destination 10 • Example 2 - Destination 2 with protocol SMTP and 3 extra Attributes configured: P9911=serverName=destination2&protocol=SMTP&serverAddress=smtp s://smtp.gmail.
Message Configures the message body or the outbound notification. Configure extra attribute’s name reserved for specific attributes for a Extra Attribute Name given notification in the future. Configures extra attribute’s value reserved for specific attributes for a Extra Attribute Value given notification in the future. The message body of the notification for each event can be customized with dynamic attributes embedded. The following table shows the mapping between event and dynamic attribute.
OAM login From IP address. The value is the IP OAMLoginFromIP address of the PC who will log in phone’s web UI or SSH OAMLoginCode OAM login result code. The value can be “succeeded” or “failed” time OAM login time stamp OAMUser OAM user name such as “admin” OAMLoginSource OAM login source. The value can be “SSH” or “WebGUI” OAM login From IP address.
The time stamp when the outgoing call event time occurs Type of the call.
localName The local party name sipServer The SIP server address of the account call-id The SIP dialog call ID startTime The time stamp when the call is on hold Type of the call.
Account register status.
P9928 Notification 9 {remoteName}:{remoteNumber} on Line {line}, account {account} at P9929 Notification 10 {time}.&extraAttrName1=extraAttrValue1&extraAttrName2=extraAttrValue2 … … P9993 Notification 73 The highlighted strings in above examples are the actual values configured P9994 Notification 74 in each field for the notification. P9995 Notification 75 P a g e | 121 GRP26XX Administration Guide Version 1.0.1.
UPGRADING AND PROVISIONING Unified Firmware The GRP2612 / GRP2612P / GRP2612W / GRP2613 / GRP2614 / GRP2615 support unified firmware for all GRP26XX models. Unified Firmware Figure 12: GRP26xx Unified Firmware Dual-image Firmware The GRP2612 / GRP2612P / GRP2612W / GRP2613 / GRP2614 / GRP2615 support dual-image firmware allowing to store two copies of firmware on flash to avoid bricked device on unsuccessful upgrade and down time.
Figure 13: Alternative Firmware - Rollback Firmware Upgrade The GRP2612 / GRP2612P / GRP2612W / GRP2613 / GRP2614 / GRP2615 can be upgraded via TFTP / FTP / FTPS / HTTP / HTTPS by configuring the URL/IP Address for the TFTP / HTTP / HTTPS / FTP / FTPS server and selecting a download method. Configure a valid URL for TFTP, FTP/FTPS or HTTP/HTTPS, the server name can be FQDN or IP address. Examples of valid URLs: firmware.grandstream.com/BETA fw.mycompany.
When upgrading starts, the screen will show upgrading progress. When done you will see the phone restarts again. Please do not interrupt or power cycle the phone when the upgrading process is on. Upgrade via Web GUI Open a web browser on PC and enter the IP address of the phone. Then, login with the administrator username and password.
Phone Provisioning Configuration File Download Grandstream SIP Devices can be configured via the Web Interface as well as via a Configuration File (binary or XML) through TFTP, FTP/FTPS or HTTP/HTTPS. The "Config Server Path" is the TFTP, FTP/FTPS or HTTP/HTTPS server path for the configuration file. It needs to be set to a valid URL, either in FQDN or IP address format. The "Config Server Path" can be the same or different from the "Firmware Server Path".
Note: (Attempt to download Config File again) When doing provision on the phone, if your first config file contains p-values listed below, phone will try to download the potential second cfg.xml file and apply the second file without rebooting. Maximum 3 extra attempts.
Figure 15: Certificates Files Download For more details on XML provisioning, please refer to: http://www.grandstream.com/sites/default/files/Resources/gs_provisioning_guide.pdf No Touch Provisioning After the phone sends, config file request to the Broadsoft provisioning server via HTTP/HTTPS, if the provisioning server responds “401 Unauthorized” asking for authentication, the phone’s LCD will prompt a window for user to enter username and password.
GRP26XX TOOLS From the web GUI under Maintenance → Tools, 4 tools are provided: Provision: Makes the phone trigger an instant provisioning. Factory reset: Sets back the phone to the factory default settings. Warning: Restoring the Factory Default Settings will delete all configuration information on the phone. Please backup or print all the settings before you restore to the factory default settings.
RESTORE FACTORY DEFAULT SETTING Warning: Restoring the Factory Default Settings will delete all configuration information on the phone. Please backup or print all the settings before you restore to the factory default settings. Grandstream is not responsible for restoring lost parameters and cannot connect your device to your VoIP service provider. Restore Factory settings using LCD Menu Please follow the instructions below to reset the phone: 1.
EXPERIENCING GRP26XX Please visit our website: http://www.grandstream.com to receive the most up- to-date updates on firmware releases, additional features, FAQs, documentation and news on new products. We encourage you to browse our product related documentation, FAQs and User and Developer Forum for answers to your general questions. If you have purchased our products through a Grandstream Certified Partner or Reseller, please contact them directly for immediate support.
