Before we finish our discussion of SIP and the user directory, it would be good to touch upon a subject that some users initially find a bit daunting: SIP profiles. In the strictest sense of the word, a SIP profile in FreeSWITCH is a User Agent. In practical terms, this means that each SIP profile "listens" on a particular IP address and port number. The internal
profile listens on port 5060, and the external
profile listens on port 5080. Not only does the profile listen but it can respond as well. For example, when a phone sends a SIP REGISTER packet to FreeSWITCH (at port 5060), the internal
profile "hears" the registration request and acts accordingly. The files in conf/sip_profiles/
are ones which determine how the profiles behave. Many of the parameters in these profiles are to customize how FreeSWITCH handles various SIP traffic scenarios. In most cases the defaults are reasonable and should work. In other cases, though, you may find that because of the...
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