In addition it's convenient to be able to list one's username@domain as identical to one's email address just by changing the application prefix, without regard to what set of machines are actually providing the services. For example, email:alice.smith@bi
Port Assignments
Port number for TCP and UDP 5060
Port number for TLS-over-TCP 5061
Multicast address for REGISTER sip.mcast.net (224.0.1.75)
IANA
224.0.1.75 SIP [Schulzrinne]
DNS SRV
SIP clients use D
[general] context=in ; Context for incoming calls allowguest=yes ; Allow or reject guest calls (default is yes, this can also be set to 'osp' bindport=5060 ; UDP Port to bind to (SIP standard port is 5060) srvlookup=yes ; Enable DNS SRV lookups on outboun