SIP Trunk Operations (SIPTO)

SIP Trunk Operations (SIPTO) is a 5-day instructor led course that is intended for Cisco telephony administrators who need to understand the features and functionality of the SIP protocol, as implemented in the Cisco Unified Communications environment.  The course begins with an examination of how SIP is used to establish, manage, and terminate sessions over an IP network. Next, it discusses the various types of SIP trunk options available within Cisco Unified Communications Manager.  SIP proxy and line-side configurations for user devices (phone, mobile, tablet, video) are covered and the course also includes SIP troubleshooting techniques and practice through hands-on labs.

This course describes what SIP is, what options are available, and how it is used to facilitate communication between various components, including Cisco Unified Communication Server, Cisco Unified Border Elements (CUBE), Cisco SIP Proxy Server and the PSTN. Students will learn how to use troubleshooting tools to identify and solve a variety of problems that arise during deployment and in day-to-day operations. The course will use URI ’click to call’, device independent, user addressing, the SIP Intercluster Lookup Service (ILS) and Global Dial Plan Replication (GDPR) features to dynamically distribute the dial plan throughout the enterprise.

Sunset Learning developed this course to provide additional training for those who already have a basic understanding of Cisco Unified Communications Manager and are looking to use SIP in their infrastructure. This is not a certification or implementation course.

Course Outline

Module 1- What is SIP

  • User Agents

  • SIP Request Methods from RFC 3261

  • Additional SIP Request Methods

  • SIP Headers


Module 2 - SIP Call Setup

  • Basic SIP Call Setup with Unified CM and CUBE

  • Media Negotiation

  • Session Description Protocol

  • Media Negotiation - Early Offer and Delayed Offer

  • Early Media


Module 3 - SIP Trunks PSTN

  • SIP Trunks for PSTN - Access Perception vs. Reality

  • SIP Trunk for PSTN - What to ask for, what to expect

  • Deploying a Cisco Unified Border Element (CUBE)

  • Centralized and Distributed SIP Trunk Models

  • SIP Trunk Migration Plan


Module 4 - Unified CM SIP Trunk

  • The Unified CM SIP Trunk

  • Key Features

  • CUBE Basics and Usage in SIP Calls

  • SIP Trunk Features and Operation

  • Redundancy and Load Balancing

  • Media Resources

  • Called and Calling Party Number Normalization and SIP Trunks


Module 5 - Unified CM SIP Trunk Service Types

  • Session Management Edition

  • Inter-company Media Engine

  • Service Advertisement Framework/Call Control

  • Discovery

  • Extension Mobility Cross Cluster

  • E2E RSVP Trunks


Module 6 - Unified CM - SIP Intercluster Lookup Service

  • User Addressing via URI

  • Inter-cluster Lookup Service

  • Hierarchical Routing & Route String Summarization

  • ILS enhancements in Unified CM 10 - adding Numbers

  • Hierarchical Routing for Numbers and URIs in ILS

  • Route Pattern support in ILS

  • Class of Service


Module 7 - Unified Cisco SIP Proxy

  • Configuring Cisco Unified SIP Proxy

  • Editing the General Settings for a Network

  • Viewing, Adding, Moving, and Deleting Rules for a Trigger

  • Observe and Configure SIP Server Groups

  • Observe and Configure Route Groups

  • Observe and Configure Route Tables

  • Configuring Call Admission Control


Module 8 - SIP Troubleshooting Tools 

  • Real Time Monitoring Tool - Session Trace

  • TranslatorX Tool

  • Wireshark

  • Unified CM Trace Configuration

  • Trace Collection

  • CUBE Trace Configuration

  • IOS SIP Debugs

Audience

This course is intended for students who have general knowledge about:

  • Cisco Unified Communications Manager

  • Professionals with CCNA Voice and/or CCNP Voice Certification

  • Customers that need to better understand the SIP protocol