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G726r16 Codec Name
G726r24 Codec Name
G726r32 Codec Name
G726r32 Codec Name
G726r40 Codec Name
G729a Codec Name
G729b Codec Name
ENCAP RTP Dynamic
Payload
RTP-Start-Loopback
Dynamic Payload
RTP-Start-Loopback Codec
G723 Codec Name
Linksys 900 Series IP Phone Administrator Guide
5-16
G.726-16 codec name used in SDP.
The default is G726-16.
G.726-24 codec name used in SDP.
The default is G726-24.
G.726-32 codec name used in SDP.
The default is G726-32.
G.726-32 codec name used in SDP.
The default is G726-32.
G.726-40 codec name used in SDP.
The default is G726-40.
G.729a codec name used in SDP.
The default is G729a.
G.729b codec name used in SDP.
The default is G729ab.
The dynamic payload value (96 – 127) used for the encapsulating RTP packets
when offering the SDP to loopback packets. This setting is used if the SPA is the
offerer of the SDP. Otherwise, the value is decided by the peer.
The default value is 112.
The dynamic payload value (96 – 127) used by the mirror in the self-generated
RTP packets before receiving any RTP packets from the source. This setting is
used only when the SPA is acting as the loopback source. Otherwise, the value is
decided by the peer.
This value must be different from any of the dynamic payload values that might
be used by the source and the mirror (including the encaprtp payload type). This
is necessary so that the source can easily tell when the mirror has switched from
sending self-generated RTP packets to sending loopback packets.
The default value is 113.
The actual codec corresponding to RTP-Start-Loopback Dynamic Payload, whose
codec name is used in the rtpmap attribute for the for the mirror self-generated
RTP audio stream, prior to receiving any RTP packets from the source. The
choices are {G711u, G711a, G726-16, G726-24, G726-32, G726-40, G729a,
G723}.
The default is G711u.
G.723 codec name used in SDP.
The default is G723.
Chapter 5
SPA900 Series Phone Field Reference
Document Version 3.0
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