brPage 8br Solution CCP ith SRST Architecture brPage 9br Solution Geographic Distribution brPage 10br Solution Cluster rchitecture brPage 11br Solution Cluster Architecture Contd brPage 12br Solution AsiaPacific and EMEA Deployment brPage 13br Resul ID: 52342
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©2007 Cisco Systems, Inc. All rights reserved.Cisco PublicPresentation_ID Solution:SurvivableRemote Site Telephony Cisco®developed Survivable Remote Site Telephony (SRS Telephony), a feature of Cisco IOS®Software SRS Telephony is integrated into Cisco branch office routers. SRS-enabled branch router automatically detects a failure in the WAN link to the regional hub where the Cisco CallManager cluster is located, and then uses Cisco Simple Network Automated Provision (SNAP) capability to autoconfigure the router to provide call-processing backup redundancy for the IP phones in that office ©2007 Cisco Systems, Inc. All rights reserved.Cisco PublicPresentation_ID Solution: Survivable Remote Site Telephony (Contd.) If the WAN link to the hub goes down, Cisco remote office employees can use their IP phones to dial out to the public switched telephone network (PSTN), receive inbound calls over the PSTN, and make station-to-station calls ©2007 Cisco Systems, Inc. All rights reserved.Cisco PublicPresentation_ID Solution: CCPwith SRST Architecture Centralized Call Processing (CCP) with SRST ©2007 Cisco Systems, Inc. All rights reserved.Cisco PublicPresentation_ID Solution:ClusterArchitecture A typical Cisco®CallManager cluster includes three servers:A TFTP publisherActive subscriberBackup subscriberCentralized Call Processing Architecture ©2007 Cisco Systems, Inc. All rights reserved.Cisco PublicPresentation_ID To read the entire case study, or for additional Cisco IT case studies on a variety of business solutions, visit Cisco on Cisco: Inside Cisco IT www.cisco.com/go/ciscoit ©2007 Cisco Systems, Inc. All rights reserved.Cisco PublicPresentation_ID Centralized Call Processing How Cisco IT Migrated to Centralized Call Processing A Cisco on Cisco Case Study: Inside Cisco IT