1 | M. Handley, H. Schulzrinne, E. Schooler, J. Rosenberg, 'SIP: session initiation protocol', draft-ietf-sip-rfc2543bis-05.txt, Oct. 2001 |
2 | J. Rosenberg, K. Summers, H. Schulzrinne, 'SIP Call Flow Examples', draft-ietf-sip-call-flows- 05.txt, Jun. 2001 |
3 | H. Schulzrinne, J. Rosenberg, 'SIP-Loca tion SIP Servers', draft-ietf-sip-srv-02.t xt, Mar. 2001 |
4 | http://www.cs.columbia.edu/-hgs/sip/drafts/sip_h323v4 .doc |
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