Avaya SIP Solution（SIP解决方案）.pptVIP

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Avaya SIP Solution（SIP解决方案）.ppt

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Avaya SIP Solution（SIP解决方案）

Avaya SIP Solution IP Applications and Internet Technologies are the Basis for Converged Communications Avaya’s Demonstrated Leadership in SIP Avaya demonstrated converged communications at Networld + Interop, Atlanta (September 2001 Lead sponsor of SIP 2002, Paris January 2002)) Windows XP interoperability, video and application sharing, integration with RTC client’s buddy list, presence, instant messaging Avaya IP Phones running SIP and H.323 Multipart MIME support allowing phones to have rich web style content Avaya call processing protocol agnostic feature capability Conferencing 5 different end points that run 5 different protocols (Avaya SIP, H.323, DCP, XP, Pingtel SIP) Avaya IP phones supporting instant messaging over IrDA Intra-Enterprise SIP Communications Demo Why are we talking about SIP? A loveable protocol Customers haven’t chosen one protocol to define VoIP SIP is a very Internet friendly protocol SIP reuses a lot of Internet protocols formatting Customers still weary about proprietary protocols…. For example, Cisco’s Skinny is a proprietary protocol It’s about the Applications!! The next “Killer App” is the integration of voice, data, video, IM Presence… SIP can do this. Microsoft!! 250 millions desktops might speak SIP soon…. SIP client is added to Windows XP VoIP Signaling Protocols H.323 - ITU standard, ISDN-based, distributed topology - 90%+ of all Service Provider VoIP networks - The current interconnect for CallManager to Service Providers - Useful for video applications MGCP - IETF RFC2705 - Centralized Call-Control Architecture - Call-Agents (MGC) Gateways (MG) SIP - IETF RFC2543 - Distributed Call-Control - Used for more than VoIP…SIMPLE: Instant Messaging / Presence The History of SIP Session Initiation Protocol (SIP) was defined via RFC2543 on March 17, 1999. Additional “feature” drafts have been written to address issues which concern SS7/ISUP handling,