Chapter 6. Implementing the PSTN Switch/VoIP Gateway Trunk

This chapter covers different circuit types and signaling types used to interconnect a Cisco gateway to a PSTN switch. The PSTN switch can be either a Class 4 or Class 5 switch. This chapter covers three common signaling types—T1 CAS, PRI, and SS7—that can interconnect a VoIP gateway to a PSTN switch. Each signaling type has a set of parameters used to implement the PSTN Switch/VoIP gateway trunk. This set of signaling parameters is referred to in this chapter as a template. This chapter provides an overview of key signaling parameters that need to be established when interconnecting a gateway to a PSTN switch. This chapter also identifies key troubleshooting techniques to use when interconnecting ...

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