Telco technical

& business courses

available worldwide

CAMEL Technology

ireg, core, vas engineers
available worldwide
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Who Should Attend?

This course is intended for network engineers and network planning staff who need deep technical knowledge of the functionality of CAMEL and IN services. It is strongly recommended for engineers who test, implement, or troubleshoot pre-paid and VPN roaming.


Course Scope

  1. CAMEL Phase 1: GSM Network Nodes, Call Forwarding, IN nodes – SSF/SSP, SCF/SCP, SDP; Protocol Overview, BCSM Principles, Cross PLMN Boundary Protocols.
  2. CAMEL Phase 2: Full Roaming, Pre-paid Charging, User Interaction, SSIN, USSD, Supported CAP Operations, Cross PLMN Boundary Protocols.
  3. Mobile Call Cases: Mobile Originating Call, Mobile Terminating Call, Mobile Forwarded Calls (early and late forwarding).
  4. Charging: MO Call and MT Call cases.
  5. Special CAMEL features: Any Time Interrogation, Unstructured Supplementary Service Data, Supplementary Service Invocation, Short Forwarded-to-Numbers.
  6. CAMEL Subscription Information: Phase 1 (O-CSI, T-SCI), Phase 2 (TIF-CSI, SS-CSI, USSD-CSI), Phase 3 (D-CSI, SMS-CSI, GPRS-CSI, M-CSI).
  7. CAMEL Standard Evolution Path: CAMEL Phase 1 – GSM R96, CAMEL Phase 2 – GSM R97/R98, CAMEL Phase 3 – GSM R99. Comparison to INAP Capability Sets.
  8. Signalling: CAP/MAP Signalling Principles, CAP Signalling over SS7, SSN Usage.
  9. CAMEL Phase 3: New IN Features, CAMEL Inter-working with GPRS, MO SMS, Mobility Management and Location Services.
  10. CAMEL Phase 4: New and Enhanced Functionalities.
  11. USSD Call Back Solution as an alternative for CAMEL roaming.

Course Objectives

CAMEL Technology is an intermediate technical course covering all aspects of CAMEL architecture and functionality (e.g. protocols, messages, signalling procedures, basic call state models, subscription information, inter-working between GSM/CAMEL entities, CAMEL based services and international roaming). It presents different phases of CAMEL, with the main focus on CAMEL Phases 1 and 2.



Prior to attending this course, the participants should already have an understanding of the architecture of GSM/UMTS system and a basic knowledge on communications in mobile networks. Practical experience in GSM/UMTS is recommended.


Training Structure

Three-day training divided into logical sessions.



Lectures and theoretical exercises. Real CAMEL and MAP traces analyses. Example printouts from network nodes.

Good class notes and great examples.

Mr. Ghaffar Masood, Mobilink Pakistan

Very well organized training programmes.

Mr. Mihnea Teodorescu, Cosmote, RO

Trainer understands local market experience.

Mr. Andrew Sweetman, Wataniya

Trainer understands local market experience.

Mr. Andrew Sweetman, Wataniya

More than excellent course!

Ms. Inessa Mijiferjyan, Vivacell

A lot of useful materials and knowledge.

Mr. Shukhrat Khaydar, UCell

A clear picture of GSM switching and signalling.

Ms. Anette Chale, mCel Mozambique

I can proudly recommend these courses for others as well.

Mr. Tarvo Jammer, Elisa Estonia

Good direct connection between course material and real problems.

Mr. Alex Konstantopoulos, Cosmote, GR

Professional, high-quality trainer.

Mr. Gagik Shatveryan, Vivacell

The course exceeded my expectations. Hats off!

Mr. Adnan Syed, Mobily

Excellent knowledge from the trainer.

Ms. Catherine Barman, Swisscom

The course covers all the impacted areas.

Ms. Gratia Scanteie, Vodafone, RO

The best training ever.

Mr. Timur Zagretdinov, MTT Russia

Very effective training methods.

Ms. Erjona Xhemali, AMC Albania

Highly professional trainer with lots of practical experience. Friendly and open.

Ms. Olga Rudnicka, Tele2 Latvia

Excellent course and instructor.

Mr. Nikolay Suetin, Beeline Russia

I am very impressed with the trainer's knowledge and experience.

Mr. Mouin Al Saghir, Vivacell

Perfect course.

Mr. Arseniy Mazanik, Beeline Russia

Many different people from different operators can share their problems and ideas.

Mr. Omar El-Fiky, Vodafone Egypt

Experienced trainer. Real cases with references to recommendations.

Mr. David Curkan, T-Mobile Croatia

The trainer is capable of answering all my questions.

Ms. Ana Gheorghe, Vodafone RO

Trainers have passion to teach & impart knowledge.

Mr. Kanchan Chitrakar, Ncell Nepal

The whole course was very valuable.

Mr. Sayyid Ali, Dhiraagu Maldives

Trainer is open for comments and discussion.

Ms. Natalya Nerubenko, Life Ukraine

Training was above expectations!

Mr. Ariel Haxhiu, Eagle Mobile, AL

Regardless of technology I received theoretical and practical answers.

Mr. Kosta Pribić, T-Mobile Croatia

Amazing, more than excellent, audience-oriented trainer.

Mr. Evgeniy Dmitriev, Astelit Ukraine

Unique training covering the most important areas of my work.

Mr. Eldar Mursaqulov, Azercell

Very clear explanations.

Ms. Tatyana Krasyuk, Life Ukraine

Good logical structure of the course and explanation.

Ms. Elena Shevtsova, Beeline, KZ

Training provides useful methods to analyze real protocols.

Mr. Seema Karn, NCell Nepal

Excellent, knowledgeable trainer, open to communication.

Mr. Dmitrii Kropotov, Tele2 Russia

Trainer was able to answer practical questions.

Mr. Daniel Krolikowski, Play Poland

Great teacher with deep knowledge and experience.

Mr. Philippe Wrzecionek, TATA

This course will be very useful in my daily work.

Mr. Leopoldino Ferreira, Unitel Angola

Excellent exercises!

Mr. Muhammad Ali, Mobilink Pakistan

The training exceeded my expectations.

Ms. Irida Gjashta, AMC Albania

Seminar entirely for Telecommunication operators. A lot of issues covered.

Ms. Pinelopi Tragoudara, Vodafone GR

Really practical and very fruitful training.

Mr. Niroj Raya, NCell Nepal

Deep and detailed topic analysis.

Mr. Mohamed Sabry, Vodafone Egypt

Trainer adapted to the expectations of the audience.

Mr. Antoine Blanchet, Monaco Telecom

I feel like the trainer is the best professor and mentor one can have.

Ms. Ledia Meici, AMC Albania

Excellent methodology of teaching. Simple and easy to understand training.

Mr. Arben Shabani, PTK Kosovo

Experienced trainer. Excellent descriptions.

Mr. Ahmad Doar, Mobily, KSA

The training is completely excellent.

Mr. Philipp Korostelev, Beeline Moscow

A good approach to a complex problem.

Ms. Horia Catrinoiu, Vodafone RO

Overwhelming knowledge and expertise. Interactive and enjoyable learning.

Mr. Ashish Shrestha, NCell Nepal

Course covers all important issues and presents relevant examples.

Mr. Mohamed Kamel, Vodafone Egypt

I received a lot of useful information which I use in my work every day.

Ms. Viktoriya Gusarova, Beeline RU

Everyone gets individual attention from the trainer.