By Richard Brynteson 2.14.2012
When a user attempts to login to they use DNS and SRV records to lookup their home server. They start by making three parallel requests for: _sipinternaltls._tcp.domain.com _sipinternal._tcp.domain.com _sip._tls.domain.com The first two are defined in your internal DNS with the last one being published externally. The clients use these SRV records to...