/mcpPreface ....................................................................................................................4 About This Guide ............................................................................................................................................... 4 Documentation for Cisco Collaboration On-Premises Preferred Architectures .................................................. 4 Introduction .............................................................................................................6 Technology Use Cases ...................................................................................................................................... 6 Architectural Overview....................................................................................................................................... 7 Cisco Business Edition 7000..................................................................................................................... 9 Core Applications ..................................................................................................................................... 9 High Availability ...................................................................................................................................... 10 Licensing ................................................................................................................................................ 10 Cisco Catalyst 8000 and Integrated Services Router 4461 .............................................................................. 10 Endpoints...............................................................................................................12 Recommended Deployment ............................................................................................................................ 13 Call Control ............................................................................................................15 Recommended Deployment ............................................................................................................................ 16 Cluster Recommendations ...................................................................................................................... 16 SIP Trunk Recommendations .................................................................................................................. 17 Dial Plan ................................................................................................................................................. 18 Multi-Cluster Deployment Considerations ............................................................................................... 20 Benefits ........................................................................................................................................................... 21 Conferencing .........................................................................................................22 Recommended Deployment ............................................................................................................................ 23 Audio and Video Instant Conferences ..................................................................................................... 23 Permanent Conferences with Cisco Meeting Server (CMS) Spaces ....................................................... 24 Scheduled Video Conferences ............................................................................................................... 24 Support for Multiple Call Processing Sites .............................................................................................. 24 Managing Conferencing Resources ........................................................................................................ 25 Benefits ........................................................................................................................................................... 25 Collaboration Edge .................................................................................................26 Recommended Deployment ............................................................................................................................ 27 Cisco Expressway .................................................................................................................................. 28 PSTN Gateway ....................................................................................................................................... 29 Benefits ........................................................................................................................................................... 30 Voice Messaging ...................................................................................................31 Recommended Deployment ............................................................................................................................ 31 Benefits ........................................................................................................................................................... 33