Best Practices When Implementing SIP Trunks for PSTN Access

Download Now Date Added: Sep 2010
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This paper summarizes the best practices for planning, preparing, and deploying Session Initiation Protocol (SIP) trunking for public-switched-telephone-network (PSTN) access in an enterprise network. Several areas of best practices are covered, including: Providers, Deployment, Network design, Protocols and codecs, Cisco Unified Communications Manager (UCM), Session Border Controller (SBC), Security, Redundancy