Four Channel’s GSM VoIP Gateway
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The GoIP_4 Gateway supports one Backup Server as an alternative to the main server.
Once registration to the main server fails, the GoIP_4 Gateway will try to register to
the Backup Server.
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Outbound Proxy
OutBound proxies are devices that will forward SIP signaling (and frequently
RTP media traffic too). OutBound proxies are used for a number of reasons,
including, firewall traversal – both in parallel with a firewall and situated in
the Internet as a Session Border Controller, and also for hiding customer IP
addresses – calls are all routed through one point so that a public ITSP address
can be used for accessing the customers, rather than the customer’s own IP
address.
If required, enter this field with the outbound proxy IP address or domain
name as provided.
3.4.2.1 Advanced Settings
Click on “Advance Settings” tab on the top right corner of the Call Setting page to
display all the parameters available, as shown below, for programming. These
parameters allow more advanced control over the SIP signaling and media preference.
