Administering Avaya B189 Conference IP Phone Release 1.
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Contents Chapter 1: Introduction...................................................................................................... 7 Intended audience.................................................................................................................................... 7 Related resources..................................................................................................................................... 7 Documentation.........................................................
QoS.................................................................................................................................................. IEEE 802.1D and 802.1Q................................................................................................................. Network audio quality....................................................................................................................... IP address list and station number portability.......................................
Chapter 1: Introduction Intended audience This guide is for personnel who administer Avaya Aura® Communication Manager, DHCP, HTTP/HTTPS servers for Avaya B189 Conference IP Phones and the Local Area Network (LAN).
Introduction After logging in to the website, enter the course code or the course title in the Search field and click Go to search for the course. Course Code Course Title ACIS-6006 ACIS Avaya Communication Manager (5.2.1) APSS-1300 APSS Avaya Networking Support Visit the Avaya Support website at http://support.avaya.com for the most up-to-date documentation, product notices, and knowledge articles. You can also search for release notes, downloads, and resolutions to issues.
Chapter 2: Overview Overview Avaya B189 Conference IP Phone is a multiline H.323 IP deskphone that you can use to make calls and hold conferences with HD quality voice. The features of the deskphone include a 5 inch touch screen, mute, and volume control buttons, one On-hook/Off-hook button, and a Phone button. You can navigate the menu only through the touch screen. Bi-color LEDs provide visual indication of an incoming call, call in progress, call on hold, and a muted microphone.
Overview • Phone • IP Telephone 10 Administering Avaya B189 Conference IP Phone Comments? infodev@avaya.
Chapter 3: Administration overview and requirements Administrative requirements This topic outlines the operating environment for the Avaya B189 Conference IP Phone as follows: • Telephone Administration on the Avaya call server. For more information, see Communication Manager Administration on page 19. • IP Address management for the deskphone. For more information see, Administering the DHCP and File Servers on page 39 for dynamic addressing.
Administration overview and requirements Table 1: Alternative ways to administer the Avaya B189 Conference IP Phone Parameter Related information Phone Administration Avaya call server Communication Manager Administration on page 19, Server Administration on page 39, and the applicable call server documentation. IP Addresses DHCP Administering The DHCP and File Servers on page 39 and especially Administering the DHCP Server.
Parameter data precedence Parameter Application specific parameters Administrative mechanisms Related information LLDP About Link Layer Discovery Protocol (LLDP) on page 66. Configuration file Administering The DHCP and File Servers on page 39, and especially HTTP Generic Setup on page 46. Also, Administering Applications and Options on page 79.
Administration overview and requirements 1. Administer the switch for Avaya B189 Conference IP Phone. 2. Update the 46xxsettings file with site-specific information, as applicable. 3. Update Avaya B189 Conference IP phone using Craft procedures, as applicable. For more information about Local Administrative Procedures, see Installing and maintaining Avaya B189 Conference IP Phone.
Initialization process overview Task Settings file modification as you want. Description Related information Edit the settings file as required, Telephone Software and using your own tools. Application Files on page 49. Initialization process overview The initialization process includes an information exchange when the phone registers. This process includes connecting to the network, DHCP processing, VPN connection, file downloads, and phone registration with the call server.
Administration overview and requirements File downloads Avaya B189 Conference Phones can download configuration files, language files, and certificate files from either an HTTP or HTTPS server, but they can only download software files from an HTTP server. The phone first downloads an upgrade configuration file, which tells the phone which software files it should use.
Error conditions practice is to list the CLANs on the main call server, followed by any Enterprise Survivable Server (ESS) addresses, followed by any Local Spare Processor (LSP). To deviate from this practice, you can list CLANs for multiple main call servers. In general, the phone will start from the beginning of MCIPADD and attempt to register with each IP address in turn, one at a time, until the phone gets a positive response. If MCIPADD is administered, users can register to local call servers.
Administration overview and requirements 18 Administering Avaya B189 Conference IP Phone Comments? infodev@avaya.
Chapter 4: Communication Manager Administration Call server requirements Before you perform administrative tasks, ensure that you have installed the proper hardware and your call server software is compatible with Avaya B189 IP Conference phones. Use the latest PBX software and IP phone firmware. Ensure that you administer the Avaya B189 conference IP Phone as a 9620 IP Deskphone on the CM station administering page.
Communication Manager Administration Administering the IP interface and addresses Follow these general guidelines: • Define the IP interfaces for each CLAN and Media processor circuit pack on the call server that uses the IP Interfaces screen. For more information, see Administration for Network Connectivity for Avaya Communication Manager , 555-233-504. • On the Customer Options form, verify that the IP Stations field is set to Y (Yes). If it is not set to (Y), contact your Avaya sales representative.
Call server administration Administering QoS The Avaya B189 Conference IP Phones support both IEEE 802.1D/Q and DiffServ. Other network-based QoS initiatives such as UDP port selection do not require support by the phones. However, they contribute to improved QoS for the entire network. Administering IEEE 802.1Q The Avaya B189 Conference IP phones can simultaneously support receipt of packets that are tagged, or not tagged according to the IEEE 802.1Q standard. To support IEEE 802.
Communication Manager Administration For more information, see Administration for Network Connectivity for Avaya Communication Manager, 555-233-504 on the Avaya support Web site. Call conferencing This section provides information about conference call behaviors to consider when administering the call server. The deskphone application presents a user interface, based in part on the deduction of the call state.
Phone administration on Avaya Aura® Communication Manager press Join to add the answered call to the conference. If the user does not want the incoming call to be part of the conference, the user must not answer the call, or the user must answer the call and then hang up before continuing the conference setup. Pressing an in-use call appearance during conference setup makes that call appearance the intended conferee. The Toggle Swap feature works for Conference setup similar to Transfer Setup.
Communication Manager Administration Name Description Auto Hold Set up CM to enable Auto Hold, so that the phone automatically places an active call on hold when the user answers or resumes a call on another call appearance. Use the System Parameters Features form, page 6. Coverage Path Administer a coverage path for both phone demonstration and normal operations. Use the Coverage Path form and give it a number, for example, Coverage path 1.
Station administration Administering features Administer the following Station Features for maximum user experience: Name Description Enhanced Conference Features Administer Conf-dsp (conference display) on the station form as a feature button. Users gain the benefits of enhanced conference features. Auto select any idle appearance Set Auto select any idle appearance to N (no) to optimize answering calls.
Communication Manager Administration 26 Administering Avaya B189 Conference IP Phone Comments? infodev@avaya.
Chapter 5: Network Requirements Network Assesment Perform a network assessment to ensure that the network has the capacity for the expected data traffic and voice traffic, and can support jitter buffers and the following types of applications as required: • H.323 • DHCP • HTTP/HTTPS • LLDP • RADIUS You also need QoS support to run VoIP on your configuration. For more information, see Administering UDP port selection on page 20. Hardware requirements • Category 5e cables that conform to the IEEE 802.
Network Requirements Server requirements You can configure three types of servers for Avaya B189 Conference Phones: • DHCP server: Avaya recommends that you install a DHCP server and do not use static addressing. Install the DHCP server as described in Administering the DHCP and File Servers on page 39. • HTTP or HTTPS server:Administer the HTTP or HTTPS file server as described in HTTP Generic Setup on page 46.
Other network considerations Required network information before installation for each DHCP server • Gateway router IP addresses • If the HTTP or the HTTPS file server IP addresses, port number, are different from the default, and the directory path if files are not located in the root directory • Subnetwork mask • Avaya call server IP address or addresses • Phone IP address range • DNS server address or addresses if applicable As the LAN or System Administrator, you must also: • Administer the DHCP server
Network Requirements You can restrict the IP addresses from which the phones accepts SNMP queries using the SNMPADD parameter. You can also customize your community string with the SNMPSTRING parameter. Note: SNMP is disabled by default. Administrators must start SNMP by setting the SNMPADD and SNMPSTRING parameters appropriately. Ping and traceroute All Avaya B189 Conference IP Phones respond to a ping or traceroute message sent from the call server switch or any other network source.
Other network considerations IEEE 802.1D and 802.1Q For more information about IEEE 802.1D and IEEE 802.1Q and Avaya B189 Conference phones, see Administering IEEE 802.1Q on page 21 and Administering a VLAN on page 62. Three bits of the 802.1Q tag are reserved for identifying packet priority to set any one of the following eight priorities to a specific packet.
Network Requirements Parameter Possible values Packetization Delay No data or an integer number of milliseconds. The number reflects the amount of delay in received audio packets, and includes any potential delay associated with the codec. One-way Network Delay No data or an integer number of milliseconds. The number is half the value RTCP or SRTCP computes for the round-trip delay.
Other network considerations For more TCP/UDP port utilization information related to Communication Manager, see UDP Port Selection on page 20. Depending on your network, you must know what ports or ranges to use in the phone operation. Knowing these ports or ranges helps you administer your networking infrastructure. Note: Often, the phones use ports defined by IETF or other standards bodies.
Network Requirements Table 5: Transmitted packets (Source =B189 Conference Phone) 34 Destination Port Source Port Use UDP or TCP? The number used in the Source Port field of packets that are received by the SSH server of the phone.
Other network considerations Destination Port Source Port Use UDP or TCP? 1719 Transmitted H.323 RAS messages UDP 2048 – 3029 Transmitted RTP, RTCP, SRTP, and SRTCP messages UDP The port number received in the Transport Address field in the RCF message 1720 H.
Network Requirements Security For information about toll fraud, see the respective call server documents on the Avaya support web site. The Avaya B189 Conference phones cannot guarantee resistance to all Denial of Service (DoS) attacks. However, checks and protections are in-built to resist such attacks while maintaining appropriate service to legitimate users. All Avaya B189 Conference phones support HTTP authentication for backup and restore operations.
Other network considerations Related topics: Registration and Authentication on page 37 Secure Shell Support on page 37 Registration and Authentication Avaya call servers support using the extension and password to register and authenticate Avaya B189 Conference IP phones. For more information, see the current version of your call server administration manual.
Network Requirements For more information, see the Administrator Guide for Avaya Communications Manager, 03-300509. 38 Administering Avaya B189 Conference IP Phone Comments? infodev@avaya.
Chapter 6: Server Administration Software prerequisites Ensure that you own licenses to use the DHCP, HTTP, and HTTPS server software. Note: You can install the DHCP and the HTTP server software on the same computer. Caution: The firmware in the Avaya B189 Conference IP Phone reserves the IP addresses of the form 192.168.2.x for internal communications. The phone might not function properly if you configure addresses in that range.
Server Administration even if the DHCP server is temporarily unavailable. A user can manually assign a different IP address to an IP deskphone. When the DHCP server finally returns, the Avaya B189 Conference IP Phone does not search for a DHCP server unless the static IP data is unassigned manually. In addition, manual entry of IP data is an error-prone process. Ensure that: • A minimum of two DHCP servers are available for reliability. • A DHCP server is available when the IP deskphone restarts.
Administering the DHCP and file Servers Parameter Description DOMAIN Specifies the string that is appended to DNS names in parameter values when they are resolved into IP addresses. DOT1XSTAT Controls 802.1X Supplicant operation. HTTPDIR Specifies the path name to prepend to all file names used in HTTP and HTTPS GET operations during startup. (0 to 127 ASCII characters, no spaces.) The command is SET HTTPDIR myhttpdir.
Server Administration Parameter Description PROCSTAT Controls whether local Craft procedures are allowed. The default is 0 which indicates that access to all administrative options is allowed. REREGISTER The number of minutes the phone waits before and between reregistration attempts. REUSETIME The n umber of seconds to wait for successful completion of DHCP before reusing previous parameters on the default (port) VLAN. The default is 60. SNMPADD Allowable source IP addresses for SNMP queries.
Setting up the DHCP server Any DHCP application might work if the DHCP server is correctly configured. Note: Avaya does not assume responsibility for configuring your DHCP server. Contact your vendor or supplier for configuring the DHCP server correctly. Setting up the DHCP server About this task DHCP server setup involves: Procedure 1. Follow vendor instructions to install the DHCP server software. 2. Configure the DHCP server with: • IP addresses available for the B189 Conference IP Phones.
Server Administration not require renewal and rebinding procedures even if you receive Options 58 and 59. Expired leases cause B189 Conference IP Phones to restart. Avaya recommends providing enough leases so the IP address of a B189 Conference IP Phone does not change if you briefly take the phone offline. Note: The DHCP standard states that when a DHCP lease expires, the device must immediately cease using the assigned IP address.
Setting up the DHCP server Option 51, the phone uses the default value of T1 (renewal timer) according to IETF RFC 2131, Section 4.5. - Option 59: DHCP lease rebind time. If the B189 Conference IP phone does not receive this parameter, or if this value is greater than that for Option 51, the phone uses the default value of T2 (rebinding timer) according to RFC 2131, Section 4.5 - Option 242: Site-Specific Option Number (SSON). You do not have to use Option 242.
Server Administration In configurations where the upgrade script and the application files are in the default directory on the HTTP server, do not use the command HTTPDIR=. HTTP Generic Setup About this task You can store the same application software, script file, and settings file on an HTTP server as you can on a TFTP server. The B189 Conference IP phones do not support TFTP.
HTTP Generic Setup Note: When you download the application file from the Avaya Support website, ensure you are downloading the correct version. One version allows VPN and media encryption functionality, while the other disables those functions. Note: Many LINUX servers distinguish between upper and lower case names. Ensure that you specify the settings file name accurately and also the names and values of the data within the file.
Server Administration 48 Administering Avaya B189 Conference IP Phone Comments? infodev@avaya.
Chapter 7: Telephone Software and Application Files Understanding the general download process Avaya B189 Conference IP Phones download upgrade files, settings files, language files, certificate files, and software files from a file server. Avaya B189 Conference IP Phone downloads all the file types either through HTTP or HTTPS except the software files, which can only be downloaded through HTTP.
Telephone Software and Application Files Related topics: Choosing the right application file and upgrade script file on page 50 Using the upgrade file on page 50 About the settings file on page 51 Choosing the right application file and upgrade script file Software files needed to operate the Avaya B189 Conference IP Phones are packaged together in either a Zip format or RPM/Tar format distribution package.
Understanding the general download process About the settings file The settings file contains the option settings you need to customize the Avaya B189 Conference IP Phones for your enterprise. The settings file can include any of six types of statements, one on each line: • Tag lines that begin with a single # (pound) character, followed by a single space character, followed by a text string with no spaces. • Goto commands, of the form GOTO tag.
Telephone Software and Application Files Using the GROUP parameter to set up customized groups About this task Different users might have the same phone model, but require different administered settings. For example, you might want to restrict call center agents from logging off, which might be an essential capability for hot-desking associates. Use the GROUP parameter to set up customized groups: Procedure 1. Identify the phones and the groups the phones belong to, and designate a number for each group.
Chapter 8: Administering Deskphone Options Administering options for Avaya B189 Conference Phones You can set the parameters for DHCP, DHCP fields, and options to the required values. For more information, see Administering the DHCP and File Servers on page 39. For HTTP, set the parameters to required values in the settings file. For more information, see About the settings file on page 51. Use the settings file to administer most parameters on the Avaya B189 Conference IP Phones.
Administering Deskphone Options Avaya B189 Conference IP Phone : Customizable system parameters This table lists the parameters that you can customize in the 46xxsettings file, the default values, parameter descriptions, and valid values.
Avaya B189 Conference IP Phone : Customizable system parameters Parameter name Default value Description and value range The default is 120 minutes (2 hours). Valid values range from zero to 999 minutes (16.65 hours). BRAUTH 0 Backup and restore authentication control. Valid values are: 1=If at least one digital certificate is downloaded based on TRUSTCERTS.
Administering Deskphone Options Parameter name 56 Default value Description and value range DOMAIN “ ” (Null) Text string containing the domain name that the phone must use when it resolves the DNS names in parameter values into IP addresses. Valid values are 0-255 ASCII characters. If Null, do not leave spaces. DOT1XEAPS MD5 Specifies the EAP method used for 802.1X operation. Valid values are MD5 and TLS . DOT1XSTAT 0 Determines how the phone handles Supplicants.
Avaya B189 Conference IP Phone : Customizable system parameters Parameter name Default value Description and value range Leading or trailing slashes are not required. The command syntax is SET HTTPDIR myhttpdir” where myhttpdir is your HTTP server path. HTTPDIR is the path for all HTTP operations except for BRURI. HTTPPORT 80 TCP port number used for HTTP file downloading. 2 to 5 ASCII numeric digits. Valid values are 80 through 65535.
Administering Deskphone Options Parameter name 58 Default value Description and value range LANGxFILE “ ” (Null) Contains the name of the language file x, where x is 1 through 4. The file name must end in .txt. Example: SET LANG1FILE “mlf_russian.txt” LANG1FILE = LANG2FILE = LANG3FILE = LANG4FILE = LANGSYS “ ” (Null) System wide language that contains the name of the default system language file, if any. Value is 0 to 32 ASCII characters. The file name must end in .txt.
Avaya B189 Conference IP Phone : Customizable system parameters Parameter name Default value Description and value range decimal, colon-hex, or DNS name format, that is separated by commas without any intervening spaces. NVTLSSRVR “ ” (Null) VPN and non-VPN. HTTPS file server IP addresses used to initialize TLSSRVR the next time the phone starts up.
Administering Deskphone Options Parameter name 60 Default value Description and value range PHNEMERGNUM “ ” (Null) Emergency phone/extension number. Specifies the number that the phone must dial automatically when the phone user presses the Emerg button. Value: 0-30 ASCII dialable characters from 0 through 9, star (*), pound (#) and no spaces. Null is a valid value. PHNIC 011 Telephone international access code.
Avaya B189 Conference IP Phone : Customizable system parameters Parameter name Default value Description and value range Contacts button for the 9610 is pressed to access a craft procedure. Intended to facilitate restricted access to local procedures even when command sequences are known. Password is viewable, not hidden. PROCSTAT 0 Local dial pad Administrative Options status (0=all Administrative (Craft) Options are allowed, 1=only VIEW is allowed). REREGISTER 20 Registration timer in minutes.
Administering Deskphone Options Parameter name Default value Description and value range TIMERSTAT 0 TIMERSTAT specifies whether Timer On and Timer Off softkeys is presented to the user. 0 = Timer On and Timer Off softkeys is not presented to the user (default). 1 = Timer On and Timer Off softkeys is presented to the user. TLSDIR “ ” (Null) HTTPS server directory path. The path name prepended to all file names used in HTTPS get operations during initialization.
Administering a VLAN If your LAN environment does not include VLANs, set the system parameter L2Q to 2 (off) to ensure correct operation. Related topics: About VLAN Tagging on page 63 The VLAN default value and priority tagging on page 63 Automatic detection of a VLAN on page 64 About VLAN Tagging IEEE 802.1Q tagging (VLAN) is a useful method of managing VoIP traffic in your LAN.
Administering Deskphone Options the deskphone turns off tagging until the L2QVLAN is set to a non-zero value or until the deskphone verifies that the network can support tagged frames. Setting VLANTEST to “0” causes the phone to use a non-zero VLAN indefinitely to attempt DHCP. In other words, the deskphone does not return to the default VLAN. Automatic detection of a VLAN The phones support automatic detection of the L2QVLAN setting that is incorrect.
802.1X Supplicant operation is appended to the addresses in Option 6 before the phone attempts DNS address resolution. If Option 6 contains a list of DNS addresses, those addresses are queried in the order given if no response is received from previous addresses on the list. As an alternative to administering DNS by DHCP, you can specify the DNS server and or the domain name in the HTTP script file. But first SET the DNSSRVR and DOMAIN values so that you can use those names later in the script.
Administering Deskphone Options usually send unicast 802.1X packets to authenticating devices. These switches support the following two scenarios: • Standalone phone (Telephone Only Authenticates) - When you configure the IP phone for Supplicant Mode (DOT1XSTAT=2), the phone can support authentication from the switch. When DOT1X is “0” or “1” the phone cannot authenticate with the switch.
About Link Layer Discovery Protocol (LLDP) Category TLV Name (Type) TLV Info String (Value) Basic Optional Management Address IEEE 802.3 Organization Specific MAC / PHY Reports auto-negotiation status and speed of Configuration / Status the uplink port on the phone. TIA LLDP MED LLDP-MED Capabilities Media Endpoint Discovery - Class III - IP Telephone.
Administering Deskphone Options Category TLV Name (Type) TLV Info String (Value) Avaya Proprietary File Server File Server IP address. Subtype = 6. Avaya Proprietary 802.1Q Framing 802.1Q Framing = 1 if tagging or 2 if not. Subtype = 7. Basic Mandatory End-of-LLDPDU Not applicable.
About Link Layer Discovery Protocol (LLDP) System Parameter Name TLV Name Impact The system checks whether a reset is necessary to obtain a new IP address due to a change in the values of the parameters L2Q or L2QVLAN. This TLV is ignored if: • the value of USE_DHCP is 0 and the value of IPADD is not 0.0.0.0, or • the Application Type is not 1 (Voice), or • the Unknown Policy Flag (U) is set to 1. MCIPADD Proprietary Call Server TLV MCIPADD will be set to this value if it has not already been set.
Administering Deskphone Options Administering settings at the phone Implementing Avaya B189 Conference IP Phone describes how to use Administration Menu procedures at the phone for administration. The local procedures you might use as an administrator are: • 802.1x - Enable or disable the Supplicant and the Pass-thru options. • ADDR - Add the IP addresses for the call server, HTTP server, HTTPS server, and other network related parameters.
Administering display language options specify from one to four languages for each phone to replace English. Users can then select the language in which the phone displays messages. All downloadable language files contain all information needed for the phone to present the language as part of the user interface. The actual character input method does not depend on the languages available from the software download. If the phone does not support a character input method, use ASCII instead.
Administering Deskphone Options Administering dialing methods Avaya B189 Conference IP Phones have a variety of telephony-related applications that might obtain a telephone number during operation. Two dialing methods are used, depending on which version of Avaya Aura® Communication Manager that is running.
Administering dialing methods when the ENHDIALSTAT parameter is used, Using log digit (Smart Enbloc) dialing on page 72 takes precedence, regardless of the ENHDIALSTAT setting. Note: As with any parameters, the default values are used unless you explicitly administer different values. Thus, if you do not administer a given parameter or if you comment a given parameter out in the 46xxsettings file, the default value for that parameter is used.
Administering Deskphone Options Backup and restore processing Avaya B189 Conference IP phones support the HTTP client to back up and restore the userspecific data indicated in User data saved during backup. HTTP over TLS (HTTPS) is also supported for backup or restore. For backup, the phone creates a file with all user-specific data if a backup file location is specified in system parameter BRURI. The file is sent to the server by an HTTP PUT message, with the appropriate success or failure confirmation.
Backup and restore processing requesting the file transaction can be authenticated. You can downloaded the Avaya IP Telephone File Server Application from the Avaya support site. If no digital certificates are downloaded based on the system parameter TRUSTCERTS, the phone establishes a TLS connection only to a backup and restore file server that has a Avayasigned certificate. The Avaya certificate is included by default with the Avaya IP Telephone File Server Application, and includes the credentials.
Administering Deskphone Options file name. The server must also protect the user's credentials once they are received through the secure TLS connection. The phone sends the registration credentials without regard to the BRAUTH setting if no certificates are downloaded. Only server certificates signed by an Avaya Root CA certificate are authenticated if no certificates are downloaded.
About restore About restore When automatic or user-requested retrieval of backup data is initiated, user data and option settings are set to values contained in the backup file. The user-requested retrieval of backup data occurs only if the OPSTAT parameter setting allows the user to change those values. Therefore, any restrictions set using OPSTAT are given priority and implemented.
Administering Deskphone Options • When an identifier is valid with valid and complete data, but the data is not applicable to the current state of the phone, the data is retained for possible use later, and is treated as data to be backed up at the appropriate time. • When more than one line contains a value for an option, parameter, or Contacts entry, the last value read is retrieved, to allow new values to overwrite previous values as lines are read from the backup file.
Chapter 9: Administering Applications and Options Administering guest users About this task A guest user is a person who logs into a Avaya B189 Conference IP Phone other than the primary phone at the home location of the user. The guest user can log in to a phone that is across the country from the home location or one in the office near the home office.
Administering Applications and Options 80 Administering Avaya B189 Conference IP Phone Comments? infodev@avaya.
Glossary 802.1X An authentication method for a protocol requiring a network device to authenticate with a back-end Authentication Server before gaining network access. CA Certificate Authority, the entity which issues digital certificates for use by other parties. CLAN Control LAN, a type of Gatekeeper circuit pack. CNA Converged Network Analyzer, an Avaya product to test and analyze network performance. Applies to IPv4 only. This feature is not supported in Release 6.2 and later.
H.323 with strong security used by wireless vendors. EAP-TLS uses PKI to secure communication to a RADIUS authentication server or another type of authentication server. H.323 A TCP/IP-based protocol for VoIP signaling. HAC Hearing Aid Compatibility, an Federal Communications Commission (FCC), part of the United States government Part 68 standard for handset equalization for interoperability with t-coil enabled hearing aid devices.
VPN SCEP Simple Certificate Enrollment Protocol, used to obtain a unique digital certificate. SIP Session Initiation Protocol. An alternative to H.323 for VoIP signaling. SNTP Simple Network Time Protocol. An adaptation of the Network Time Protocol used to synchronize computer clocks in the internet. TFTP Trivial File Transfer Protocol, used to provide downloading of upgrade scripts and application files to certain IP telephones.
VPN 84 Administering Avaya B189 Conference IP Phone Comments? infodev@avaya.
Index A about H.323 phones ................................................... 10 administering ............................................. 20, 21, 62, 79 DIFFSERV ........................................................... 21 guest user ............................................................ 79 QOS ..................................................................... 21 RSVP ................................................................... 20 VLAN ..................................................
IP address lists ........................................................... 32 Station Number Portability ................................... 32 IP interface and addresses .........................................20 call servers ........................................................... 20 L Language Selection ....................................................70 legal notices ................................................................. 2 Link Layer Discovery Protocol (LLDP) .......................
upgrading ................................................................... 50 VLAN detection .......................................................... 64 VLAN tagging ............................................................. 63 V VLAN .......................................................................... 62 administering ........................................................62 VLAN Default Value ...................................................
