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Scott Hoffpauir Vice President, Engineering Fall 1999 VON, Atlanta

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

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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. MediaGatewayController CallManagementSystem Proxy / Redirect Server SIP SIP SIP MGCP MGCP Packet Network MGCP SIP MGCP Media Gateways User Agents Multimedia TerminalAdapters Centralized architecture for trunks and signaling links Distributed architecture for intelligent endpoints Centralized architecture for residential phones Baseline Architecture

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

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

  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 and Internet functions • 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. Basic Call Control Application Server Invite Routing Services 3XX Redirect Basic Call Control Application Server Invite Media Manipulation Services 200 OK Basic Call Control Application Server Invite Event Notification Services Invite Service Possibilities

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

  10. 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

  11. 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

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

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