DWG2000E/F/G GSM/CDMA VoIP Gateway User Manual
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Shenzhen Dinstar Technologies Co., Ltd.
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The GSM/CDMA gateway support two dialing mode, one stage and two stage
dialing. One stage dialing will obtain called number from
INVITE
message body,
either
Request line
or
To <
> field. Then deliver called number
to GSM/CDMA directly.
But for two stage dialing, the SIP server must be dial the SIP channel account and
then to generate DTMF to mobile network.
Answer Delay
In most instances, Most of CDMA operators don't offer answer signal. The gateway
doesn’t response SIP 200 OK to SIP server in case of missing answer signal from
CDMA network. Answer delay is to fix this issue and generate SIP 200 OK to SIP
server after answer delay timeout. Default value is 5 seconds. Moreover, it is
available for CDMA gateway only.
Redirect Call when All Port Busy
When the gateway is running heavy traffic and not possible to call out, the call will
redirect to specific destination route as configuration.
IP and Port: destination gateway or IPPBX to be redirect
Play Voice Prompt for PSTN Incoming Calls
Default setting is Yes. when the gateway receive incoming from mobile, it will play
default/customized voice prompt to caller party. Default voice prompt is "Please dial
the extension "; if set to No, the device will play dial tone instead of voice prompt.
RTP Detect
This option is to disconnect call when there is no RTP received. Default value is 90s
Configure DTMF and NAT Traversal