VoLTE Protocols and Signaling Training

Commitment 2 Days, 7-8 hours a day.
Language English
User Ratings Average User Rating 4.8 See what learners said
Delivery Options Instructor-Led Onsite, Online, and Classroom Live


Learn about: Architecture and protocols of Voice over LTE (VoLTE), IP-Multimedia Subsystem (IMS) Architecture and Protocols, VoLTE call setup and release, dedicated bearer setup, VoLTE interworking, Voice Call Continuity (VCC), Emergency Calls, and Location-based Services. VoLTE Protocols and Signaling Training is a technical level VoLTE covering VoLTE operation, protocols, VoLTE/SIP call flows, signaling and the SIP signaling messages in the IMS architecture including VoLTE registration, VoLTE to VoLTE calls, VoLTE to 3GPP 2G/3G network calls, VoLTE to non-3GPP calls, and Interworking with the PSTN, and emergency service calls.

  • 2 days of VoLTE Protocols and Signaling Training with an expert instructor
  • VoLTE Protocols and Signaling Electronic Course Guide
  • Certificate of Completion
  • 100% Satisfaction Guarantee



Upon completing this VoLTE Protocols and Signaling Training course, learners will be able to meet these objectives:

  • Illustrate VoLTE features and network architecture
  • Explain the details of VoLTE call setup and related protocols and signaling
  • Describe the roles of IP-Multimedia Subsystem (IMS) protocols and signaling in VoLTE
  • Illustrate the VoLTE initialization, attach and call operation details
  • Describe the steps in Voice over LTE (VoLTE) Originating Call
  • Summarize VoLTE  Attach and Default Bearer Setup Messaging
  • Describe VoLTE QoS and security features and implementation options
  • Summarize traffic operations for UL and DL
  • Describe operation, protocols, and signaling steps in SMS over IMS
  • Describe VoLTE security and protection features including Authentication, Integrity, and Encryption
  • We can adapt this VoLTE Protocols and Signaling Training course to your group’s background and work requirements at little to no added cost.
  • If you are familiar with some aspects of this VoLTE Protocols and Signaling course, we can omit or shorten their discussion.
  • We can adjust the emphasis placed on the various topics or build the VoLTE Protocols and Signaling course around the mix of technologies of interest to you (including technologies other than those included in this outline).
  • If your background is nontechnical, we can exclude the more technical topics, include the topics that may be of special interest to you (e.g., as a manager or policy-maker), and present the VoLTE Protocols and Signaling course in a manner understandable to lay audiences.

The target audience for this VoLTE Protocols and Signaling Training course:

  • All

The knowledge and skills that a learner must have before attending this VoLTE Protocols and Signaling Training course are:

  • Basic knowledge of LTE, IP technology, LTE Mobility, and LTE air interface.


Overview of VoLTE
  • Introduction and Overview
  • Definition of Terms
  • 3GPP and GSMA VoLTE References
  • What is Voice over LTE (VoLTE)?
LTE and IMS Network Architecture
  • Evolved Universal Terrestrial Access Network (E-UTRAN)
  • VoLTE Service Description and Implementation
  • Evolved Packet Core (EPC)
  • IP Multimedia Architecture (IMS)
  • IMS Architecture and Components
  • Application Layer
  • Control Layer
  • Access and Transport Layer
  • Proxy CSCF (P-CSCF)
  • Interrogating CSCF (I-CSCF)
  • Serving CSCF (S-CSCF)
VoLTE Architecture
  • VoLTE Architecture
  • VoLTE Functional Node Description
  • VoLTE Interface Description
  • VoLTE UE (User Equipment)
  • VoLTE Protocols and Signaling Training
VoLTE and IMS Procedures and Protocols
  • VoLTE and IMS Procedures
  • Protocols
  • IMS Procedures applied to VoLTE
  • LTE UE Perspective
  • VoLTE Client
  • VoLTE User Identities
  • ISIM
  • Real-time Transport Protocol (RTP)
  • RTP Control Protocol (RTCP)
  • Session Initiation Protocol (SIP)
  • SIP Headers
  • SIP Codes
  • SIP requests and methods
  • Session Description Protocol (SDP)
  • SIP Responses
LTE-EPC Network Architecture and Protocols
  • PDN Connectivity
  • NAS Signaling
  • Bearer Setup
  • Authentication and Authorization
  • Bearer Setup and EPS Attach
  • VoLTE PDN Connection
  • Default Bearer Setup
  • VoLTE Protocols and Signaling Training
  • PCRF and VoLTE service policy
VoLTE Call Setup Procedures
  • Sample SIP Call Flows
  • VoLTE Calls
  • VoLTE to VoLTE
  • VoLTE to PSTN
  • PSTN to VoLTE
  • SMS
  • Registration Call setup
  • VoLTE Registration
  • VoLTE call initiation signaling
  • IMS registration
  • SIP signaling with P-CSCF
  • Voice Codec Options
  • Voice Call Continuity (VCC)
  • VCC call setup
  • SRVCC/eSRVCC network architecture
  • LTE bearer registration and resource request
  • P-CSCF discovery and IMS emergency registration
  • Establish emergency session
  • P-CSCF Discovery
  • SIP Registration
  • Event Subscription
  • VoLTE Emergency Call Support
  • Emergency session call flows
IMS Security applied to VoLTE
  • IMS Security
  • LTE Security
  • The security association between the User Agent (UA) and P-CSCF
  • The security association between the ISIM and the HSS
VoLTE Protocols and Signaling TrainingVoLTE Protocols and Signaling Training Course Recap, Q/A, and Evaluations


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