GSM/CDMA/WCDMA VoIP Gateway
YX Technical department
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Max Ringback Time: Specify the max ringback duration.
Max Call Duration: Specify the max call duration. System will hang up the call automatically if
the call duration reaches this value.
RTP Inactivity Time: Specify the max duration of silence from gateway. System will hang up
the call automatically if the silence duration reaches or exceeds this value.
GSM Call AutoAnswer: Specify whether need to auto-answer the call which is from GSM. If
set to Enable, AutoAnswer Time can be used to specify the delay to automatically answer the
incoming GSM call.
VoIP Call AutoAnswer: Specify whether need to auto-answer the call which is from IP
network. If set to Enable, AutoAnswer Time can be used to specify the delay to automatically
answer the incoming IP call.
DTMF Mode: Specify the DTMF mode Option values are RFC2833/Inband/SIP INFO.
RFC2833 Payload Type: Specify the RFC2833 DTMF Payload Type. Only valid when DTMF
Mode is set to RFC2833. The default value is 101.
RTP Ptime: Specify the interval of RTP packages.
RTP Start Port: Specify the RTP start port.
7.4 Port Setting
7.4.1 USSD Operations
The screenshot below shows the operation mode of USSD operation to GoIP Gateway.