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VoLTE Protocols and Signaling Training

VoLTE Protocols and Signaling Training introduces you to 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.


VoLTE Protocols and Signaling Training provides a strong comprehension of the layer 2 (L2) and layer 3 (L3) signaling procedures stated for the evolved radio access network (E-UTRAN) introduced in 3GPP Release 8. This training course emphasizes on the radio interface and the S1-interface but also contains related information relating to the Evolved Packet Core (EPC). This is to give you a thorough end-to-end perspective of the most significant signaling scenarios.

TONEX Training Feature

VoLTE Protocols and Signaling Training course presents a high level definition of the overall network architecture (nodes, areas, identity numbers, bearer concepts etc). Our instructors will also discuss the L3 protocols one by one precisely in a rational scenario-based order. In addition, they explain the L2 radio interface protocol, concentrating on scheduling and reliability issues (ARQ and HARQ). This hands-on training also include a summary of the signaling and HARQ aspects of L1 to give you a comprehensive perspective of the LTE protocol stack.

The training sessions include interactive presentations, hands-on workshops, labs, and individuals/group activities. Participants are encouraged to bring in their own sample project to work on during these practical sections but they also can use the real-world cases provided by our instructors.

What is IMS?

IMS demonstrates a significant difficulty to those charged with developing LTE UEs. The flexibility allowed in offer/ answer SIP messaging is like a double-edged sword. Though the benefits of flexibility are clear, there is a great number of equally valid protocol flows. Unless both the spontaneous goals and details of the procedures are fully comprehended, developers can be drawn into design for particular known cases instead of for all valid cases.


VoLTE Protocols and Signaling Training is a 2-day designed for those professionals who are need detailed knowledge of the E-UTRAN protocol stack and signaling scenario.

What Will You Learn?

Below are the major topics covered bt this training (more details can be found HERE):

  • Overview of VoLTE
  • LTE and IMS Network Architecture
  • VoLTE Architecture
  • VoLTE and IMS Procedures and Protocols
  • LTE-EPC Network Architecture and Protocols
  • VoLTE Call Setup Procedures
  • IMS Security applied to VoLTE

VoLTE Protocols and Signaling Training

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