Grandstream Networks, Inc.
GXP21xx User Manual
Page
19 of 41
Firmware version: 1.0.1.66 Last Updated: 05/2011
appearances, the user can configure multiple line buttons to be “shared line” buttons associated with the
account.
C
ALL
F
EATURES
The GXP21xx supports traditional and advanced telephony features including caller ID, caller ID w/name,
call forward/transfer/park/hold as well as intercom/paging and BLF.
Table 11: GXP21xx Call Features
Key
Call Features
*30
Block Caller ID
(for all subsequent calls)
*31
Send Caller ID
(for all subsequent calls)
*67
Block Caller ID
(per call)
*82
Send Caller ID
(per call)
*70
Disable Call Waiting
(per Call)
*71
Enable Call Waiting
(per Call)
*72
Unconditional Call Forward
Dial “*72” for a dial tone. Dial the forwarding number followed by “#”. Wait for dial
tone. LCD will display “Call FWD Activated”.
*73
Cancel Unconditional Call Forward:
dial “*73” and get the dial tone, then hang up.
LCD will display “Call FWD Activated”.
*90
Busy Call Forward
Dial “*90” for a dial tone. Dial the forwarding number followed by “#”. Wait for a dial
tone. Hang up.
*91
Cancel Busy Call Forward
: dial “*91”. Wait for dial tone. Hang up.
*92
Delayed Call Forward
Dial “*92” for a dial tone. Dial the forwarding number followed by “#”. Wait for a dial
tone. Hang up. LCD will display “Call FWD Activated”.
*93
Cancel Delayed Call Forward
Dial “*93” for a dial tone, then hang up.
C
USTOMIZED
LCD
S
CREEN
&
XML
Grandstream GXP21xx Enterprise IP phone support both simple and advanced XML applications: 1) XML Custom
Screen, 2) XML Downloadable Phonebook and 3) Advanced XML Survey Application. For more information on
how to create a downloadable XML phonebook, creating a custom idle screen and/or reprogramming the soft-keys
on GXP21xx, please visit our website at:
http://www.grandstream.com/support
www.InternetVoipPhone.co.uk | [email protected] | 0800 088 4846