Training Compendium CE

Training goals dlearning

Support for voice services in LTE systems can be realized in several ways depending on the operator’s strategy, existing licenses and infrastructure, as well as technical capabilities. This training provides a comprehensive overview of possible implementation alternatives starting from CS Fallback Scenario (CSFB) which requires cooperation of 2G/3G network and LTE system in handling incoming and outgoing speech connections as well as SMSes. The alternative VoLTE approach based on the presence of IMS solution is presented along with model architecture, call scenarios and procedures which allow to handle speech connections entirely within the LTE network. Finally, the coexistence with 2G/3G systems is explained along with the Single Radio Voice Call Continuity (SRVCC) concept. The concluding part presents mobile user perspective and examples of reference and proprietary solutions.

Target Audience:

  • This training is targeted at all technical staff members i.e. engineers, technicians, as well as line managers who require general understanding of how voice services are implement in LTE systems. Anyone engaged in planning, design, implementation, maintenance and operation from the service, application, and signaling perspective can benefit from this training.

Conspect Show list

  1. The need for voice services in LTE networks
  2. SAE/EPC architecture including
  3. Support for legacy voice services – CSFB ( architecture, scenarios, procedures)
  4. Native Voice over LTE solution – VoLTE (architecture, scenarios, procedures)
  5. Coexistence with 2G and 3G systems – SRVCC: (architecture, scenarios, procedures)
  6. Mobile user perspective and experience.
  7. Reference and proprietary solutions
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Additional information


It is foreseen that participants have generic knowledge of the 2G, 3G and LTE core network architectures including IMS as well as basic understanding of call related procedures in mobile systems.

Prior knowledge of signaling protocols such as BSSAP/RANAP, MAP, SIP, DIAMETER will be beneficial.

Difficulty level
Duration 2 days

The participants will obtain certificates signed by Compendium CE.


Authorized Compendium CE Trainer.

Other training Compendium CE | VoIP and telecomunication

Training thematically related

VoIP and Telephony

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700 EUR


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Traditional training

Sessions organised at Compendium CE are usually held in our locations in Kraków and Warsaw, but also in venues designated by the client. The group participating in training meets at a specific place and specific time with a coach and actively participates in laboratory sessions.

Dlearning training

You may participate from at any place in the world. It is sufficient to have a computer (or, actually a tablet, or smartphone) connected to the Internet. Compendium CE provides each Distance Learning training participant with adequate software enabling connection to the Data Center. For more information, please visit site



Paper materials

Traditional Materials: The price includes standard materials issued in the form of paper books, printed or other, depending on the arrangements with the manufacturer.

Electronic materials

Electronic Materials: These are electronic training materials that are available to you based on your specific application: Skillpipe, eVantage, etc., or as PDF documents.

Ctab materials

Ctab materials: the price includes ctab tablet and electronic training materials or traditional training materials and supplies provided electronically according to manufacturer's specifications (in PDF or EPUB form). The materials provided are adapted for display on ctab tablets. For more information, check out the ctab website.



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