Cisco 521SG - Unified IP Phone VoIP Administration Manual page 113

Configuring SIP, SPCP, and NAT
Configuring SIP
Cisco Small Business SPA300 Series, SPA500 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
RTP Payload Type Number that indicates the
transmitted packet is using the G726r32 codec.
The range is from 0 to 268435455. Defaults to 2.
RTP Payload Type Number that indicates the
transmitted packet is using the G.726-40 codec
Ranges from 96 to 27. Defaults to 96.
Not applicable to Cisco SPA525G or
Cisco SPA525G2.
RTP Payload Type Number that indicates the
transmitted packet is using the G729b codec. The
range is from 0 to 268435455. Defaults to 99.
EncapRTP Dynamic Payload type. The range is
from 0 to 268435455.
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. Defaults to
G711u.
AVT codec name used in SDP. Defaults to
telephone-event.
G.711u codec name used in SDP. Defaults to Pulse
Code Modulation mu-law (PCMU).
G.711a codec name used in SDP. Defaults to
Pulse Code Modulation A-Law (PCMA).
G.726-16 codec name used in SDP. Defaults to
G726-16.
Not applicable to Cisco SPA525G or
Cisco SPA525G2.
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