User Manual

Appendix
377
headsets on one phone. When the IP
phone joins in a cal, the users with the
headset connected to the headset jack
have a full-duplex conversation, while the
users with the headset connected to the
handset jack are only allowed to listen to.
Note: It is not applicable to SIP-T19P and
SIP-T21P IP phones.
Format
Boolean
Default Value
0
Range
Valid values are:
0-Disabled
1-Enabled
Example
features.headset_training = 1
Parameter-
account.X.codec.Y.enable
Configuration File
<MAC>.cfg
Description
Enables or disables the IP phone to use the
specific codec for account X.
X ranges from 1 to 6.
Y ranges from 1 to 11.
Format
Boolean
Default Value
For SIP-T20P/T22P/T26P/T28P IP phones:
When Y=1, the default value is 1;
When Y=2, the default value is 1;
When Y=3, the default value is 0;
When Y=4, the default value is 0;
When Y=5, the default value is 1;
When Y=6, the default value is 1;
When Y=7, the default value is 0;
When Y=8, the default value is 0;
When Y=9, the default value is 0;
When Y=10, the default value is 0;
When Y=11, the default value is 0.