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Troubleshoot a SIP Call Between Two Endpoints

This document provides a sample configuration of two fax machines in order to demonstrate how a Session Initiation Protocol (SIP) call takes place between two gateways. This document also provides an explanation on the output of the debug ccsip messages command for troubleshooting SIP call failures. | Written and provided by Global Knowledge 111111111 CISCO. PARTNER Learning Solutions Expert Reference Series ofWhite Papers Troubleshoot a SIP Call Between Two Endpoints 1-800-COURSES www.globalknowledge.com Cisco - Troubleshoot a SIP Call Between Two Endpoints Table of Contents Troubleshoot a SIP Call Between Two Endpoints.1 Document ID 69467.1 Introduction.1 Prerequisites.1 Requirements.1 Components Used.1 Conventions.1 Configure.1 Network Diagram.2 Configurations.2 Verify.3 Troubleshoot.3 NetPro Discussion Forums - Featured Conversations.11 Related Information.12 i Troubleshoot a SIP Call Between Two Endpoints Document ID 69467 Introduction Prerequisites Requirements Components Used Conventions Configure Network Diagram Configurations Verify Troubleshoot NetPro Discussion Forums - Featured Conversations Related Information Introduction This document provides a sample configuration of two fax machines in order to demonstrate how a Session Initiation Protocol SIP call takes place between two gateways. This document also provides an explanation on the output of the debug ccsip messages command for troubleshooting SIP call failures. Prerequisites Requirements There are no specific requirements for this document. Components Used The information in this document is based on these software and hardware versions Two fax machines VG224 that runs Cisco IOS Software Release 12.4 4 T1 Cisco 3745 router that runs Cisco IOS Software Release 12.3 11 T8 The information in this document was created from the devices in a specific lab environment. All of the devices used in this document started with a cleared default configuration. If your network is live make sure that you understand the potential impact of any command. Conventions Refer to Cisco Technical Tips Conventions for more information on document conventions. Configure In this section you are presented with the information to configure the features described in this document. Cisco - Troubleshoot a SIP Call Between Two