Grandstream GXV3240 User Guide - Manual (Page 85)

Firmware Version 1.0.3.37 GXV3240 User Guide Page 83 of 177
CALL FEATURES
The GXV3240 supports traditional and advanced telephony features including caller ID, caller ID with caller
Name, call waiting, call forward and etc. Before using the following feature code, please make sure "Enable
Call Features" option is set to "Yes" under web GUI->Account page->Call Settings.
Table 8: GXV3240 Feature Code
*01
Use Preferred Codec (per call)
 Dial *01 followed by the preferred codec code and the phone number.
 The phone will try to use this codec during the call.
 Codec code:
PCMU: 7110
PCMA: 7111
G726-32: 72632
G722: 722
iLBC: 7201
For example, if the user would like to use PCMA as the preferred codec to call
phone number 334455, enter *017111334455.
*02
Force Codec (per call)
 Dial *02 followed by the preferred codec code and the phone number.
 The phone will be forced to use this codec during the call.
 Codec code:
PCMU: 7110
PCMA: 7111
G726-32: 72632
G722: 722
iLBC: 7201
For example, if the user would like to use PCMA to call phone number 334455,
enter *017111334455.
*16
Force enable SRTP
 Dial *16.
*17
Disable SRTP
 Dial *17.
*18
Enable SRTP (per call)
 Dial *18.
*19
Disable SRTP (per call)
 Dial *19.