[Serusers] offline v unknown

[Juha Heinanen]

Kevin Brennan writes:

 > A SIP UA wanting to initiate a call to sip:bigcheese at bigu.edu will first 
 > send a DNS SRV lookup to bigu.edu. With a successful return, the SIP URI 
 > may be re-written to sip:bigcheese at sipserver1.bigu.edu.

that is definitely not the right behavior.  dns srv + a lookup results
destination ip address where request it sent, not domain for the request
uri.

-- juha