WG3100-Series GSM VoIP Gateway User Manual
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Techroutes Network Pvt. Ltd.
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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
Nat Traversal
Include Static NAT, Dynamic NAT and STUN
STUN (Simple Traversal of UDP over NATs) is a network protocol. It is allowed to stay behind the NAT (or multiple NAT)
client part to identify their clients’ public address, found himself after what Type of NAT and NAT for a particular Channel is
bound to a local Internet terminal Channel. This information is used for two host to set up UDP communication behind the
same NAT router. The agreement defined by the RFC 3489
Other configuration
