gth: 0 SIP/2.0 180 Ringing Via: SIP/2.0/UDP discrete.sampling.org:5060;branch=z9hG4bK5654 From: Shannon :shannon@sampling.org>;tag=cgdf4 To: Schockley <sip:shockley@transistor.com>;tag=1 Call-ID: adf8gasdd7f1d@discrete.sampling.org CSeq: 1 INVITE Contact: <sip:shockley@4.5.6.7> Content-Length: 0 SIP/2.0 600 Busy Everywhere <Schockley is busy Via: SIP/2.0/UDP 10.9.8.7:52103;branch=z9hG4bkff7d.1 Via: SIP/2.0/UDP 9.8.7.6:5060;branch=z9hG4bk1.1 Via: SIP/2.0/UDPdiscrete.sampling.org:5060;branch=z9hG4bK5654 From: Shannon k<sip:shannon@sampling.org>;tag=cgdf4 To: Schockley k<sip:shockley@transistor.com;tag= Call-ID: adf8gasdd7f1d@discrete.sampling.org Call Flow Examples CSeq: 1 INVITE Retry-After: Sun, 9 Jul 2000 11:59:00 GMT Content-Length: 0 ACK sip:schockley@transistor.com SIP/2.0 <Stateful proxy does ACK Via: SIP/2.0/UDP 10.9.8.7:52103;branch=z9hG4bk5f7e.1 Max-Forwards: 70 From: Shannon <sip:shannon@sampling.org>;tag=cgdf4 To: Schockley <sip:shockley@transistor.com>;tag=1 Call-ID: adf8gasdd7fld@discrete.sampling.org CSeq: 1 ACK Content-Length: 0 M10 SIP/2.0 600 Busy Everywhere Via: SIP/2.0/UDP 9.8.7.6:5060;branch=z9hG4bk1.1 Via: SIP/2.0/UDP discrete.sampling.org:5060;bra From: Shannon ksip:shannon@sampling.org>;tag=cgdf4 To: Schockley <sip:shockley@transistor.com>;tag=1 Call-ID: adf8gasdd7f1d@discrete.sampling.org CSeq: 1 INVITE Retry-After: Sun, 9 Jul 2000 11:59:00 GMT Content-Length: 0 Call Flow Examples 163 M11 SIP/2.0 600 Busy Everywhere <Stateless proxy does not ACK response Via: SIP/2.0/UDP discrete.sampling.org:5060;branch=z9hG4bK5654 From: Shannon ksip:shannon@sampling.org>;tag=cgdf4 To: Schockley <sip:shockley@transistor.com>;tag=1 Call-ID: adf8gasdd7fld@discrete.sampling.org CSeq: 1 INVITE Retry-After: Sun, 9 Jul 2000 11:59:00 GMT Content-Length: 0 ACK sip:schockley@transistor.com SIP/2.0 Via: SIP/2.0/UDP discrete.sampling.org:5060;branch=z9hG4bK5654 Max-Forwards: 70 From: Shannon <sip:shannon@sampling.org>;tag=cgdf4 To: Schockley <sip:shockley@transistor.com>;tag= Call-ID: adf8gasdd7f1d@discrete.sampling.