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Scott Hoffpauir Vice President, Engineering Fall 1999 VON, Atlanta

Scott Hoffpauir Vice President, Engineering Fall 1999 VON, Atlanta. Baseline Architecture. Media Gateway Controller. Call Management System. Proxy / Redirect Server. SIP. MGCP. SIP. MGCP. SIP. Packet Network. MGCP. SIP. MGCP. Media Gateways. User Agents.

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Scott Hoffpauir Vice President, Engineering Fall 1999 VON, Atlanta

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  1. Scott HoffpauirVice President, Engineering Fall 1999 VON, Atlanta

  2. Baseline Architecture MediaGatewayController CallManagementSystem Proxy / Redirect Server SIP MGCP SIP MGCP SIP Packet Network MGCP SIP MGCP Media Gateways User Agents Multimedia TerminalAdapters

  3. ? • Basic Call Control • Authentication and Security • Billing • Bandwidth Management MediaGatewayController Proxy and RedirectServer CallManagementSystem • Packet Interface • Signaling Interworking • Media Transcoding MediaGateway MultimediaTerminalAdapter ClientPhone Components

  4. SIP Application Server Application Server SIP Proxy and Redirect Server Call Server Enhanced Services Execution Feature Server Enhanced Services Management Web Server Conferencing, IVR Resources Media Server Using SIP, enhanced services, which reside on an application server, are separated from basic call functions

  5. Application Server Connectivity EmailServers DirectoryServers MediaServers WebServers MediaGatewayController CallManagementSystem Proxy / Redirect Server Application Server SIP SIP MGCP SIP SIP MGCP Packet Network MGCP SIP MGCP Media Gateways User Agents Multimedia TerminalAdapters

  6. Technology Convergence Interactive Voice Response Text to Speech Multimedia Record & Playback Multimedia Conferencing Multimedia Streaming Unified Messaging Application Server Personal InformationManagers Directory Services Wireless PDA SIP Billing Systems Cable SetTop Boxes OAMP Web Browser Communication Entities Application servers provide a platform for integrating telephony services with Internet, messaging, devices, and OAMP services

  7. SIP as an Enhanced Services Protocol • Open, simple, extensible, and lightweight protocol • Internet heritage – easier to integrate with telephony • Already implemented or planned on most softswitches and gateways • Allows control of bearer path • Supports multiple call legs (i.e., forking) • Same protocol used between services and call control entities

  8. BarringService DirectoryService PINService LoggingService SIPI/F LDAPI/F IVRI/F EmailI/F Example Screen out900 and 976 Calls Collect 4 Digits andValidate PIN To: Bob Smith 3019774295 Log call attempt Application Server Execution Environment RetrieveDirectoryInformation Play ToneCollect DTMF SendE-mail CallMgmtSystem MediaGatewayController Invite Invite Packet Network Multimedia TerminalAdapters Media Gateways

  9. Summary • Enhanced services are key to the success of packet telephony • SIP application servers can be used to augment entities providing basic call control functions • SIP application servers can be used across different architectures (H.323, MGCP) • SIP is a simple, open, and well-defined interface encouraging third party application services and vendor independence

  10. BroadSoft • Company • Founded September 1998, in Gaithersburg, Maryland • Objective • Deliver an enhanced services creation software suite to service providers • Product • Service execution, management, and creation platform for broadband packet communications networks

  11. Scott HoffpauirBroadSoft, Inc.200 Perry Parkway, Suite 1Gaithersburg, MD 20877(301) 977 4295www.broadsoft.comscott@broadsoft.com

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