Cisco SPA 501G Administration Manual page 230

Cisco SPA 500 Series and Wireless IP Phone Field Reference
SIP Tab
Cisco SPA 500 Series and WIP310 IP Phone Administration Guide
Parameter
G726r32 Dynamic Payload
G726r40 Dynamic Payload
G729b Dynamic Payload
EncapRTP Dynamic Payload
RTP-Start-Loopback Dynamic
RTP-Start-Loopback Codec
AVT Codec Name
G711u Codec Name
G711a Codec Name
G726r16 Codec Name
Description
G726r32 dynamic payload type.
The default is 2.
G.726-40 dynamic payload type. Ranges from 96-127.
Defaults to 96.
NOTE Not applicable to Cisco SPA 525G/WIP310.
G729b Dynamic Payload type.
Defaults to 99.
EncapRTP Dynamic Payload type.
Defaults to 112.
RTP-Start-Loopback Dynamic Payload.
Defaults to 113.
RTP-Start-Loopback Codec. Select one of following:
G711u, G711a, G726-16, G726-24, G726-32, G726-40,
G729a, or G723.
Cisco SPA 525G choices: G711u, G711a, G726-32,
G729a, G722.
Defaults to G711u.
AVT codec name used in SDP.
Defaults to telephone-event.
G.711u codec name used in SDP.
Defaults to PCMU.
G.711a codec name used in SDP.
Defaults to PCMA.
G.726-16 codec name used in SDP.
Defaults to G726-16.
NOTE Not applicable to Cisco SPA 525G/WIP310.
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