Telephony Systems - PBX White Papers
Consolidation of Cisco Unified CallManager Clusters Improves Manageability and Reduces Costs
Overview Cisco needed a way to ensure business continuity if the WAN link between the hub and the remote office went down. In the event of a WAN outage, employees would need the capability to place calls, including E911 calls, and to receive calls over the Public Switched Telephone Network (PSTN). Cisco met the challenge by developing Survivable Remote Site Telephony (SRS Telephony), now a feature of Cisco IOS Software. SRS Telephony is integrated into Cisco branch office routers. Cisco itself uses Cisco 3640 and Cisco 3745 routers, depending on the number of IP phones in the office.
| Publisher | Cisco Systems | File Format | |
|---|---|---|---|
| Date Published | December 2007 | ||
| Format | Case Studies | ||
| Topics | |||
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