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SIP

SIP.edu. Speaker: Changyu Wu Adviser: Quincy Wu Date:2006/12/18. Overview. Introduction Goals Architecture Call flow Reference. Introduction. Build a community of Internet2 schools that is experimenting with offering enterprise SIP services.

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SIP

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  1. SIP.edu Speaker: Changyu Wu Adviser: Quincy Wu Date:2006/12/18

  2. Overview • Introduction • Goals • Architecture • Call flow • Reference

  3. Introduction • Build a community of Internet2 schools that is experimenting with offering enterprise SIP services. • The initial SIP.edu architecture works by integrating the legacy campus PBX and person directory with two new components • A SIP proxy server • A SIP-PRI gateway.

  4. Introduction-(cont) • Users should not be burdened with device addresses. • Addresses should be empower enterprises to manage the identities of their users • For instance • Alice to call Bob using Bob's email address (e.g. bob@ncnu.edu).

  5. Goals • The goals of the working group are to: • Grow number of SIP connected users. • Increase value proposition for end-user SIP adoption. • Promote convergence of voice and email identity. • Low entry-cost means for campuses.

  6. SIP.edu Architecture INVITE (sip:bob@ncnu.edu) Alice Ncnu.edu DNS SRV query sip.udp.ncnu.edu INVITE (sip:4762@gw.ncnu.edu PRI/CAS Telephone number where mail=bob Bob’ phone

  7. SIP.edu Call flow (Campus extension ) DNS SRV Internet RTP SIP SIP server Ncnu net Ncnu PBX PSTN

  8. SIP.edu Call flow (PSTN ) Internet SIP server Ncnu net Ncnu PBX PSTN

  9. SIP.edu Call flow (Voicemail) Internet SMTP mail SIP server Ncnu net SMTP server Ncnu PBX PSTN

  10. Reference • SIP.edu • http://mit.edu/sip/sip.edu/ • AVpops • http://www.voice-sistem.ro/docs/avpops/ • SEMS • http://www.iptel.org/sems/ • SER • http://www.iptel.org/ser/ • The Internet2 SIP.edu Initiative (June 2, 2003) • Dennis Baron • Jeremy George • Ben Teitelbaum

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