Can someone tell me or direct me to a document that covers what SRV records are used for registration of SIP devices? I know h323rs is used for H323 registrations, but don't know what is used for SIP. Is it possible to seperate the calling SRV records from the registration ones, if so, which records would those fall under?
IETF RFC 3263 defines how SIP agents can leverage DNS to resolve a SIP Uniform Resource Identifier (URI) into the IP address, port, and transport protocol of the next hop contact. The method in RFC 3263 may be applied to SIP register messages.
There is no specific "ls" / "rs" "cs" or "be" SRV records with SIP as there is for H.323, only the _sip._udp, _sip._tcp, and _sips._tcp mentioned above.
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