Grandstream Networks, Inc. GXP21xx User Manual Page 15 of 41
Firmware version: 1.0.1.66 Last Updated: 05/2011
4. USING THE PHONEBOOK: To call a phone number from Phoneb ook
Each entry in the phonebook can be attached to an individual SIP account. T he phone will use that
SIP account to make the phone call.
• Go to the phonebook by:
i. Pressing the phonebook button (bottom, left-hand side of phone), or
ii. Pressing the DOWN arrow key, or
iii. Pressing the menu button and selecting “Phone book”
iv. Pressing MENU
• Select the phone number by using the arrow keys
• Press OK so select
• Press OK again to dial.
5. PAGING/INTERCOM:
The paging/intercom function can only be used if the SERVER/PBX supports this feature and both
the phones and PBX are correctly configured.
• Take the Handset/SPEAKER/Headset off-hook
• Select the LINE key associated with account
• Press OK key to display LCD: LINEx: PAGE.
• Dial the phone number you want to Page/Intercom
• Press SEND key.
NOTE: Dial-tone and dialed number display occurs after th e handset is off-hook and the line key is selected.
The phone waits 4 seconds (by default; No key E ntry Timeout) befor e sending and ini tiating the call. Press
the “SEND” or “#” button to override the 4 second delay.
Speed Dial
The Multi Purpose Key buttons, located on the right-hand-side of the p hone, can be configured for s peed
dial. Press the speed dial button to automatically call the assigned extens ion.
Note: The multi-functional buttons will function as LINE keys when all LINEs ar e bus y. The L ED wi ll flash in
red to indicate an incoming call. Press the button to pick up the call. If any one of the Multi Purpos e Ke ys is
associated with a call, the button’s speed dial/BLF function will not work .
Making Calls using IP Addresses
Direct IP Call allows two phones to talk to each other in an ad-hoc fashion without a SIP proxy. VoIP calls
can be made between two phones if:
• Both phones have public IP addresses, or
• Both phones are on a same LAN/VPN using private or public IP addresses , or
• Both phones can be connected through a router using public or private IP addresses (with necess ar y
port forwarding or DMZ)
To make a direct IP call, please follow these steps:
1. Press MENU button to bring up MAIN MENU
2. Select “Direct IP Call” using the arrow-keys
3. Press OK to select
4. Input the 12-digit target IP address. (Please see example below)