Media Parameter - Planet Networking & Communication VGW 20FS Series User Manual

Media Parameter

3.8.2
Media parameters mainly include: RTP start port, DTMF parameter, Preferred Vocoder, etc.
Explanation of media parameters:
Use Random Port
RTP Start Port
DTMF Method
RFC2833 Payload Type
DTMF Gain
DTMF Send Interval
Send Flash Event
Coder Name
Payload Type
Packetization Time
Rate
Silence Suppression
Figure 3.10-2 Configuration Interface for Media Parameters
If this parameter is enabled, the gateway will choose a port at random as the start
port for RTP.
Default RTP start port is 8000
Include SINGAL, INBAND and RFC2833
Payload value, default value is 101
Default value is 0 DB
The interval for sending DTMF signal. The default value is 200ms.
If this parameter is enabled, the gateway will send flash event to remote terminal,
and thus user does need to handle it locally
The gateway supports G729, G711U, G711A and G723. When outgoing calls are
made, G.729 will be used.
Each kind of coding has a unique load value in reference to RFC3551.
The time for voice packaging
Voice data flow rate defaulted by system.
Default value is 'disabled'. If this parameter is enabled, VoIP transmission
bandwidth can be saved, and meanwhile network congestion can be avoided.
4-/8-/16-/24-/32-Port SIP Internet Telephony Gateway
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