DTSIP – SIP Trunk Operations (DTSIP)

Course Overview

SIP Trunk Operations (DTSIP) is a 5-day instructor-led course that is intended for Cisco collaboration administrators who need to understand the features and functionality of the SIP protocol, as implemented in Cisco’s Collaboration deployments.

5 days
  • After this course, students will be able to:

    • Examine and understand the purpose of SIP requests, responses, and SDP Configure SIP trunks and SIP Profiles on Cisco Unified Communication Manager (CUCM).
    • Configure SIP call routing on Cisco SIP Proxy (CUSP).
    • Configure URI Call routing on both CUCM and Session Border Controllers (CUBEs).
    • Configure SIP CUBEs using a variety of features, including translation-profiles, patterns-maps, server groups, provision policies.
    • Gather SIP traces from servers, CUBEs, routers, phones, endpoints.
    • Diagnose and resolve SIP call routing issues, including one way audio, misconfiguration, and many other commonly encountered real world issues.
    • Configure and troubleshoot SIP throughout their collaboration enterprise.
  • Module 1: Examining SIP Call Signaling and Codecs

    • Describe SIP call signaling, voice and video codecs, RTP and RTCP.
    • Describe the Call Setup and Teardown Process
    • Describe SIP Call Signaling for Call Setup and Teardown
    • Explore Media Streams at the Application Layer
    • Compare Audio Codecs
    • Compare Video Codecs

    Module 2: Analyzing and Troubleshooting SIP Signaling

    • Analyze and troubleshoot SIP and media protocols
    • Examine characteristics and features of SIP
    • SIP Trunking Considerations
    • SIP Troubleshooting Tools
    • Configuring SIP Traces using RTMT
    • Using Wireshark and TranslatorX to read SIP debugs and traces
    • Using Cisco Support Tools like CUBE DNA and Collaboration Analyzer to troubleshoot SIP calls

    Module 3: Deploying CUCM SIP Trunks

    • Examining CUCM SIP trunk features and capabilities
    • Configuring SIP trunks to provide call routing
    • Examining CUCM SIP trunk settings and understanding their purpose
    • Examining CUCM SIP Profile settings and understanding their purpose

    Module 4: Configuring Cisco SIP Proxy

    • Examining and configuring SIP Proxy to route calls
    • Examining SIP Proxy Call Processing
    • Configuring SIP Proxy to manage enterprise calls

    Module 5 Implementing SIP URI

    • Call on CUCM Implementing URI calling in CUCM for calls within a cluster and between clusters
    • Provide an overview of URI call routing in CUCM
    • Describe Directory URIs in CUCM
    • Describe the URI call routing process in CUCM
    • Describe how CUCM routes SIP URI calls to other call control systems using SIP route patterns and SIP trunks
    • Describe what needs to be considered when implementing URI call routing in CUCM

    Module 6 Deploying ILS and GDPR

    • Describe how to implement ILS between CUCM clusters and enable GDPR This lesson
    • Describe global dial plan issues
    • Describe the characteristics of ILS and its services
    • Describe the components of GDPR and their interaction
    • Describe how calls are routed using GDPR
    • Describe how to implement PSTN backup for intercluster calls when using GDPR

    Module 7 Deploying Cisco SIP Voice Gateways

    • Describe the function, purpose, and configuration of the Cisco SIP ISR gateway
    • Describe Cisco Voice Gateways
    • Describe SIP gateways
    • Describe Call Legs and Dial Peers
    • Describe Digital Signaling Processors
    • Explore the DSP Calculator

    Module 8: Configuring Session Border Controllers (CUBEs)

    • Configure and troubleshoot Cisco Unified Border Element (CUBE)
    • Describe the Cisco Unified Border Element
    • Describe the call-routing logic in CUBE for numeric and URI calls
    • Understand the advanced options for CUBE
    • Describe how to manipulate SIP header and SDP elements in CUBE using SIP profiles
    • Understand CUBE signaling and media bindings

    Module 9: Configuring Additional SIP CUBE Settings

    • Describe how to implement digit manipulation, Early Offer, and OPTIONS on a Cisco SIP CUBE
    • Configure Voice translation profiles on CUBE
    • Configure SIP Early offer on the CUBE
    • Configure MTP on SIP Trunk to support early offer
    • Configure SIP OPTIONS keepalives on CUBE

    Module 10: Configuring CUBE based URI Call Routing

    • Configuring inbound URL dial-peer matching
    • Configuring outbound URL dial-peer matching
    • Configuring SIP Calling and Connected Party Info
    • Configuring Provisioning Policies
    • Normalizing SIP Messages

    Module 11: Configuring the Summary Lab

    • Configuring SIP trunks, CUBE, dial plan, and a variety of other settings students learned during the class
    • There is a list of requirements that students will fulfill and SIP related problems that students will solve
    • This lab helps students solidify concepts and demonstrates their proficiency in building SIP deployments
  • To fully benefit from this course, students should have the following prerequisite skills and knowledge:

    • CCNA Voice or equivalent knowledge or,
    • Knowledge gained from attending prerequisite courses: VFCC or ACUCM w/AUC
  • 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