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Overview of SIPComm Developments and CINEMA Initiatives - February 2002

This review presents a comprehensive overview of the SIPComm project at Columbia University's IRT Lab, highlighting key student contributors and their ongoing research efforts. It discusses the status of the CINEMA platform, upcoming plans, and notable issues faced by ITG-funded students. Recent enhancements include improved G.722 audio support, new SIP features, and collaborative trials with Internet2. The review also addresses long-term objectives like web-based calendaring and efficient resource management in SIP communication.

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Overview of SIPComm Developments and CINEMA Initiatives - February 2002

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  1. SIPComm review Feb. 2002 Henning Schulzrinne IRT Lab Columbia University

  2. Overview • Students • CINEMA status • Near-term plans • Issues

  3. ITG-funded students • Knarig Arabshian (PhD cand.) • Ajay Nambi (MS cand., grad 5/03?) • Ali Khawa (MS cand., grad. 5/02) • Sankaran Narayanan (MS, grad. 5/02) • Kundan Singh (PhD cand.) • Xiaotao Wu (PhD cand.) • project students

  4. CINEMA components Cisco 7960 MySQL sipconf rtspd user database LDAP server plug'n'sip RTSP conferencing media server server (MCU) wireless sipd 802.11b RTSP proxy/redirect server unified messaging server Pingtel sipum Nortel Cisco Meridian 2600 VoiceXML PBX server T1 T1 SIP sipvxml PhoneJack interface sipc SIP-H.323 converter sip-h323

  5. Progress • Two new CINEMA releases (1.19, 1.20) • simplified configuration (database + web) • components available across platforms • TLS support for secure signaling • IPv6 support • basic CPL support • RADIUS accounting • personal address book • New SIP-VoiceXML server for conferencing and UM • SIPstone test tool

  6. sipc enhancements • TLS support • address auto-completion • CPL • missed call log • audio stability improvements

  7. Trial installations • Working with Internet2 on conferencing trial • high-quality audio conferencing (G.722) • collaboration • Trial installation at Yale University

  8. Internet Drafts and papers • Conference control (with Nokia visitor) • Web sharing • RADIUS accounting • Internet Computing papers: • Emergency communications • PBX replacement

  9. Short-term plans • G.722 (16 kHz) audio support in sipconf and sipc • Better name mapping and dial plan support (database, not file) • Upgrade to RFC2543bis-09 • Better RPM (Linux package) • Complete CPL support • CINEMA as enterprise collaboration “portal”: • Web-based calendaring (for conferences and others) • Message board

  10. Issues • Resources • programming vs. research • systematic testing • graphical / web page design • documentation • Distribution of new releases • Technical support • installation support • Academic & not-for-profit licensing

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