Cisco - Open Packet Telephony Architecture

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Printed in USA. scr 64 32 VSC Call Processing Engine Signaling Signaling Interworking Interworking Trigger Trigger Processing Processing Digit Digit Analysis/Routing Analysis/Routing External External System System Interface Interface IN IN Dialog Dialog Services Services Interface Interface Layer 3 or 4 UCM Internal Events Universal Universal Resrc. Resrc. Call Call Model Model Mgr. Mgr. (UCM) (UCM) Terminating Terminating Call Call Control Control L2 Layer 3 or 4 Originating Originating Call Call Control Control Protocol Adapter Adapter Protocol Protocol Adapter Adapter Protocol Bearer Control— SGCP, VSI, Etc.

All rights reserved. Printed in USA. scr MultiFlex Trunk T1/E1 Uplink BRI Back-up Option Built-in CSU/DSU Drop and Insert 74 37 Catalyst 8500 Family Cisco IOS Multiservice ATM Switch Router Smooth Integration and Investment Protection Integrated Wirespeed IP, IPX and IP Multicast Routing Rich ATM and Layer 3 QoS Capabilities Performance Catalyst 8540 Line Modules 5, 10 Gbps to 40 Gbps Multiservice ATM Switch Wire Speed (6–24 Mpps) throughput OC3, OC12, OC-48 ATM and Future PoS 10/100 , GE, FE/GE Channel LightStream ® 1010 Chassis NonBlocking Fabric Hot Swappable Cards Full Redundancy 1506 1005_05F9_c2 Catalyst 8510 75 © 1999, Cisco Systems, Inc.

All rights reserved. Printed in USA. scr 76 38 Call Control Plane—Virtual Switch Controller • Powerful call control engine for service providers • Cost effective alternative to traditional TDM solutions • Telco class, NEBS compliant solution • Scalable • Comprehensive call accounting detail • Broad signaling support 1506 1005_05F9_c2 Services Plane Call Control Plane VSC VSC Connection Plane 77 © 1999, Cisco Systems, Inc. 323 • NetCentric Fax Store and Forward • GRIC • TransNexus Clearinghouse svcs Services Plane • VocalTec Clearinghouse svcs • NetSpeak Calling card svcs • eFusion Internet Call Waiting Click-to-Talk Partners Calling card svcs • Amteva Call Control Plane Single Number Reach IP Voice mail Unified Communications • InfoInteractive Connection Plane Internet Call Waiting 1506 1005_05F9_c2 © 1999, Cisco Systems, Inc.

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