Polycom IP 320 Administrator's Manual page 424

Central Configuration file:
sip.cfg
(provisioning
server)
Configuration File Changes
Voice Coding Algorithms <codecs/>
Attribute
voice.codecPref.IP_5000.G711Mu
voice.codecPref.IP_5000.G711A
voice.codecPref.IP_5000.G722
voice.codecPref.IP_5000.G729AB
voice.codecPref.IP_5000.
iLBC.13_33kbps
voice.codecPref.IP_5000.
iLBC.15_2kbps
Configuration changes can performed centrally at the provisioning server or
locally:
Specify codec priority, preferred payload sizes, and jitter buffer tuning
parameters.
• For more information, refer to
on page 1-3.
The following sip.cfg configuration file changes were made to support the
SoundStation IP 5000 conference phone:
• Voice Coding Algorithms <codecs/>
• Gains <gain/>
• Acoustic Echo Suppression <aes/>
• Background Noise Suppression <ns/>
• Receive Equalization <rxEq/>
• Transmit Equalization <txEq/>
The codecs include:
• Codec Preferences <codecPref/>
Codec Preferences <codecPref/>
Permitted
Values
Null, 1-6
Administrator's Guide Addendum for the SoundStation IP 5000 Phone
Codec Preferences <codecPref/>
Default Interpretation
2 Specifies the codec preferences for the
SoundStation IP 5000 platform.
3
Interpretation as above.
1
4
Null
Null
3