User Manual
Table Of Contents
- GNU GPL INFORMATION
- DOCUMENT PURPOSE
- GUI INTERFACE EXAMPLES
- CHANGE LOG
- WELCOME
- PRODUCT OVERVIEW
- INSTALLATION
- GETTING STARTED
- Idle Screen
- Using the Keypad
- Making Phone Calls
- Handset, Speaker and Headset Mode
- Multiple SIP Accounts and Lines
- Completing Calls
- Making Calls Using IP Addresses
- Virtual Multi-Purpose Keys
- Predictive Dialing from Call History
- Predictive Dialing Search including Broadsoft Directories
- Multiple Numbers and Other Info for One Contact in Phonebook
- Search in Broadsoft Directories
- Filter Characters from Dialed Numbers
- Show/Hide Label Support
- Predictive Dialing
- Hide Profile Picture
- Answering Phone Calls
- Receiving Calls
- Call Screen Improvement
- Do Not Disturb
- Call Waiting/Call Hold
- Mute
- Call Transfer
- VPK Paging Support inside Call Screen
- Outbound Notification
- Line Switching in Call Screen
- Line Key Mode Support
- 4-Way/ 5-Way Conferencing
- Conference Event Indicator (CEI)
- Voice Messages (Message Waiting Indicator)
- Shared Call Appearance (SCA)
- Call Forwarding Rules Enhancement
- Missed Calls Indication
- Dial Plan
- Screenshots
- Call Features
- WebGUI Default Password Warning Message
- Instant Messages
- Configuring Eventlist BLF
- CONNECTING TO DEVICES
- RESTORE FACTORY DEFAULT SETTINGS
- EXPERIENCING GXP2130/GXP2140/GXP2160/GXP2170/GXP2135

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GXP21XX User Guide
RESTORE 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. Grandstream is not responsible for
restoring lost parameters and cannot connect your device to your VoIP service provider.
Please follow the instructions below to reset the phone:
• Press MENU button to bring up the keypad configuration menu;
• Select "System" and enter;
• Select "Operations - Factory Reset";
• A warning window will pop out to make sure a reset is requested and confirmed;
• Press the "Yes" softkey to confirm and the phone will reboot. To cancel the Reset, press “No” softkey
instead.