These protocols are referenced many times throughout the book. While there are no formal prerequisites needed to read this document, it is written with the expectation that the reader already has some working knowledge of underlying voice signaling protocols that are used to establish and connect phone calls. If there is a very notable defect it is linked within the text so that readers are aware.Ĭontributed by Kyzer Davis and edited by Ramiro Amaya, Cisco TAC Engineers Prerequisites Requirements This information can also be referenced quickly by checking the Command and Feature Roadmap section. The many features in this document are clearly marked with the version the feature was introduced to both IOS and IOS-XE. This document utilizes configuration examples as well as debug and show command outputs as reference points. These include digit manipulation, a quick overview of Session Initiation Protocol (SIP) message manipulation, a few methods for restricting calling capabilities, a quick media and signaling binding overview, and lastly a bit of troubleshooting.
![viavoice options error viavoice options error](https://img.fasttechcdn.com/634/6345800/6345800-5.jpg)
In addition to dial-peer information this document covers important topics that pertain to call routing.
![viavoice options error viavoice options error](https://m.media-amazon.com/images/I/81zf8nR+k0L._AC_SL1500_.jpg)
The purpose of this document is to explain IOS and IOS-XE Call Routing and the mechanisms behind inbound and outbound dial-peer matching with Plain Old Telephone Service (POTS) and Voice over IP (VoIP) Network call legs.