WG3100-Series GSM VoIP Gateway User Manual
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Techroutes Network Pvt. Ltd.
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Each channel has separate SIP port so that they could be handle SIP call separately.
After
Use Same Local SIP Port
set to
No
The Local SIP port will be changed on
Port Parameter
page.
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.
