Audio - Planet VGW-402 User Manual

5.2 Audio

Item
Codec 1~5
G.711u Payload Size
G.711a Payload Size
G.729 Payload Size
G.723.1 Payload Size:
Bit Rate
Codec Priority
DTMF Relay
Silence Suppression
4-Port SIP Internet Telephony Gateway
Explanation
The preference codec priority
G.711 u-Law payload size
G.711 A-law payload size
G.729A payload size
G.723.1 payload size
G.723.1 bit rate used
5.3K bit rate is used
6.3K bit rate is used
Selection order to match the remotely SDP for codec selection.
Local SDP Order: Use local SDP order to match codec
Remote SDP Order: Use Remote SDP order to match
codec
In-Band DTMF:
Use inband DTMF instead of out of band.
RFC 2833(fall back to SIP-INFO):
Use RFC 2833 if the SDP negotiation could be done. Or use
SIP INFO for DTMF relay.
SIP INFO:
Use SIP-INFO DTMF relay
RFC 2833(fall back to Inband):
Use RFC 2833 if the SDP negotiation could be done. Or use
inband DTMF transmission.
Enable: Start the voice activity (silence) detection when
detecting silence for 60 seconds. It will hang up the call (For
FXO use)
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VGW-400 Series