reply to Davesnothere
Re: Where are the SERVERS ? - Summary first of all,
there is no such thing like the location server
could be anything inquired for call routing.
integrated with outbound proxies
integrated with inbound proxies
infrastructure call routing server
stand alone back end server
The BSG supports DNS to resolve SIP Uniform Resource Identifiers (URIs) into the IP address, port, and transport protocol of the next-hop SIP server for new transaction requests that it receives. This feature complies with RFC 3263, Session Initiation Protocol (SIP): Locating SIP Servers.