Grandstream GXP1610 Administration Guide User Manual
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GXP1610/GXP1620/GXP1625/GXP1628
Administration Guide
Page 17 of 49
version, MAC address, Hardware version and P/N number.
Phonebook
Phonebook sub menu includes the following options:
Local Phonebook 
Displays phonebook. Users could add, edit, search and delete 
contacts, or download phonebook XML to the phone. When doing 
phonebook search, user can only search ASCII characters. 
Local Group
Displays phonebook group. 
Note: Besides 3 embedded groups: Family, Friends and Work, user 
can create, edit and delete your own new groups. GXP phone 
allows at most 7 customized groups. 
Broadsoft Phonebook
LDAP Directory
Configures LDAP directory options, displays LDAP directory by 
searching. LDAP search does not support entering Non-ASCII 
characters. 
Instant Messages
Displays received instant messages.
Direct IP Call
Makes direct IP call.
Preference
Preference sub menu includes the following options:
Do Not Disturb 
Enables/disables Do Not Disturb on the phone. 
Forward Call 
Defines the call forward type and destination number for account 1 
or account 2. 
Ring Tone 
Configures different ring tones for incoming call. 
Ring Volume  
Adjusts ring volume by pressing left/right arrow key. 
LCD Contrast 
Adjusts LCD contrast by pressing left/right arrow key. 
LCD Brightness(Not applicable to GXP1610) 
Adjusts LCD brightness of idle state and active state by pressing 
left/right arrow key. 
Download SRC XML 
Triggers the phone to download the XML idle screen file 
immediately. The XML idle screen server path and downloading 
method need to be set up correctly from Web GUI first. 
Erase Custom SCR 
Erases custom XML idle screen previously loaded on the phone. 
After erasing it, the phone will show default idle screen. 
Display Language 
Selects the language to be displayed on the phone's LCD. Users 
could select Automatic for local language based on IP location if 
