GW0017 User Manual
41
RTP Start Port
When ‘Use Random Port’ is not selected, you need to configure
a start port for RTP. Default RTP start port is 8000
UDP Checksum Validation
Choose whether to enable header checksum of UDP
DTMF Method
Include SINGAL, INBAND and RFC2833
RFC2833 Payload Type
Preferred (Incoming Call)
For an incoming call, choose local or remote RFC2833 payload
type as the preferred payload type
RFC2833 Payload Type
Local payload value, default value is 101
DTMF Gain
Default value is 0 DB
DTMF Send Interval
The interval for sending DTMF signal. The default value is
200ms.
Send Flash Event
If this parameter is enabled, the GW0017 device will send
flash-hook event to remote terminal, and thus user does not
need to handle it locally
Send
DTMF
Tone
to
Analog
When
Call
in
Active
If this parameter is enabled, DTMF tone will be sent to analog
phone when there is a call
Coder Name
The device supports G.729, G.711U, G.711A, G.723,
G.726-16/24/32/40. When outgoing calls are made, G.729 will
be used.
Payload Type
Each kind of coding has a unique load value, refer to RFC3551.
Packetization Time
The time for voice packaging
Rate
Voice data flow rate; It is defaulted by system.
Silence Suppression
Default value is ‘disabled’. If this parameter is enabled, VoIP
transmission bandwidth can be saved, and meanwhile network
congestion can be avoided.
Codecs Preferred
Choose local or remote codec as the preferred codec
4.10.4
Service Parameter
Service parameters include tiemout for dialing, digitmap,MWI message and so on.