SIP Server
The way the handles SIP traffic makes it useful for more than just a firewall that supports SIP traffic. Advanced users may for instance use the as a SIP server, allowing inside and/or outside users to register.
If you have a registered domain name you may use the as a SIP server for that domain. With a DNS record pointing to the SIP server, all registered SIP users can be globally reached with the user's email address.
The SIP server also works as an outbound and inbound proxy server when an external SIP service provider hosts the main SIP server. In this case the SIP Server will still be used for local services, such as routing inbound calls, simultaneous ringing of several phones (by parallel forking), 911 emergency call routing and finding the next hop server for outbound calls.
What do you want to do?
Set up a SIP Server
Related
Topics
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More About SIP
The Built-in SIP Support
SIP Services
SIP Configuration
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