DWG2000E/F/G GSM/CDMA VoIP Gateway User Manual
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Shenzhen Dinstar Technologies Co., Ltd.
58
Register Interval and DNS SRV
Is Register
Default set yes, if you want the device can make a call without register, set No, Also
enable the "Allow Call from IP to PSTN without Registration" and "Allow Call from
PSTN to IP without Registration" function
Register Interval
This field specifies the value that the gateway will send in the Expires header of the
REGISTER message. Its value range from 1-3600s. But in fact, the gateway will get
200OK response from SIP server after REGISTER request, and an Expires header
will be included in 200 OK message body. This value in the 200OK determines the
time, in seconds, after which the registration expires. The gateway will refresh the
registration Timer Register Delta seconds before the end of this interval.
DNS query type
The DNS query type defines the type of information that will be requested from DNS
server
DNS refresh interval
The interval of DNS refresh, Range from 0 to 60000 mins, 0 means disable default
value is disable.
Configuring SIP Timers