| Publisher | Cisco Systems | ||
|---|---|---|---|
| Format | Date added | 19 Dec 2007 | |
| Topics | VoIP - IP Telephony, Switching | ||
| Downloads | 56 | ||
When Cisco converted to an IP telephony network and exchanged its TDM-based PBX switches for Cisco CallManager clusters, the company's mission critical Operations Command Center (OCC) was, understandably, reluctant to make the change. The OCC demanded a strategy that would guarantee fail safe operations in the rare event of IP failure. Cisco ultimately determined that the best solution was a redundant architecture based on Cisco Survivable Remote Site (SRS) Telephony, a feature of the Cisco IOS Software. SRS Telephony automatically detects a failure in the network, and then uses Cisco Simple Network Automated Provisioning (SNAP) capability to initiate a process to intelligently autoconfigure the router to provide call-processing backup redundancy for IP phones.
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