Linksys SPA962, SPA942, SPA932, SPA922 SDP Payload Types, SPA9x2 Phone Field Reference, SIP Tab

Models: SPA942

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SDP Payload Types

SPA9x2 Phone Field Reference

SIP Tab

SDP Payload Types

The configured dynamic payloads are used for outbound calls only where the SPA9x2 presents the SDP offer. For inbound calls with a SDP offer, the SPA9x2 follow the caller dynamic payload type assignments.

The SPA9x2 uses the configured codec names in its outbound SDP. The SPA9x2 ignores the codec names in incoming SDP for standard payload types (0 – 95). For dynamic payload types, the SPA9x2 identifies the codec by the configured codec names. Comparison is case- insensitive.

Parameter

Description

 

 

AVT Dynamic Payload

AVT dynamic payload type. Ranges from 96-127.

 

Defaults to 101.

 

 

INFOREQ Dynamic Payload

INFOREQ dynamic payload type.

 

Defaults to blank.

 

 

G726r16 Dynamic Payload

G.726-16 dynamic payload type. Ranges from 96-127.

 

Defaults to 98.

 

 

G726r24 Dynamic Payload

G.726-24 dynamic payload type. Ranges from 96-127.

 

Defaults to 97.

 

 

G726r32 Dynamic Payload

G726r32 dynamic payload type.

 

Defaults to 2.

 

 

G726r40 Dynamic Payload

G.726-40 dynamic payload type. Ranges from 96-127.

 

Defaults to 96.

 

 

EncapRTP Dynamic Payload

EncapRTP Dynamic Payload type.

 

Defaults to 112.

 

 

RTP-Start-Loopback Dynamic

RTP-Start-Loopback Dynamic Payload.

 

Defaults to 113.

 

 

RTP-Start-Loopback Codec

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

AVT codec name used in SDP.

 

Defaults to telephone-event.

 

 

Linksys SPA9x2 Phone Administration Guide

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Linksys SPA962, SPA942, SPA932, SPA922 SDP Payload Types, SPA9x2 Phone Field Reference, SIP Tab, RTP-Start-Loopback Dynamic