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Introduction to VoIP and IMS

Key Information

  • Level: Intermediate (Level 2)
  • Duration: 2 Day Course
  • Delivery: Instructor led with demos
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Familiarity with the operation of traditional PSTN networks, or of IP networks, is useful but not required

Outline and Objectives:

VoIP architectures and implementations have matured from simple toll bypass and trunking solutions, to being the basis of voice and multimedia services in Next Generation Networks (NGN). This course gives a comprehensive and detailed treatment of the different architectures of VoIP, including SIP, IMS and H.248, as well as the services and networks implemented using these. Particular emphasis is given on the second day to advanced topics including IMS in TISPAN and 3GPP networks, VoIP to PSTN Interworking and VoIP security, as well as to key implementation issues including NAT traversal, the need for media proxies, QoS measurement, and the role of Session Border Controllers

Who Should Attend:

This course is aimed at product managers, cross-training engineers, operations staff, and anyone who needs to understand the different approaches used to implement VoIP networks and services, and the practical issues in building and operating them, as well as integrating them with existing networks and services

Course Contents:

  • The Different Roles and Motivations for VoIP
  • QoS Measurement Techniques and Tools
  • Decomposed PSTN Networks using H.248
  • Internet VoIP services using SIP, PSTN Interworking
  • Legacy Service Issues for VoIP and SIP-I Interconnect
  • The role of IMS in Fixed and Mobile Networks
  • SIP Security, VoIP Hacking and Legal Interception
  • NAT/NAPT and the Impact on VoIP Systems
  • Media Proxies and Session Border Controllers in Service Provider Networks
  • Billing VoIP Services

Video Overview of Course

Watch a short video introduction to the course content by its author...

What customers say...

"A good start to understanding the NGOSS framework"


"...very well delivered by a technically able and enthusiastic instructor..."

PK, Vodafone Group

"Really enjoyed the course..."

YD, Virgin Media

"Instructor really made a technical subject understandable..."

MT, UK Government

"Very interesting, and instructor happy to adapt to my needs. Thank you"

PL, Digitalk

"....excellent overview of all the technologies."

MM, Siemens

"Course fully related to the work we do. Found Nagios user friendly..."

AL, UK Government

"Very knowledgeable"

CH, UK Government

"Many thanks for a wonderful course...I thoroughly enjoyed it..."

ND, Commonwealth Telecommunications Organisation

"...Thank you, excellent presentation of course..."

LK, Ericsson

"...really informative..."

KA, Dimension Data

"It was a very revealing session. It delivered perfectly on my expectations"

BD, DDB Lagos

"Instructor could answer any question...would gladly recommend strongly"

MT, UK Government

"Really useful! Helped to meet my work objectives"

KP, Virgin Media

"Very informative, and able to build on knowledge gained"

KM, Ascom Wireless Services

"...knew his subject in depth, with technical knowledge to add..."

GD, Smith Barney

"...very interesting, useful and informative."

PS, Intelsat

"CD really helpful"

DH, UK Government

" to customise to our requirements in short order....very impressed..."

KP, Central Government

" we received from colleagues was very positive: instructor, quality, materials, content and facilities. Thank you..."

VC, Hewlett Packard

"...excellent instructor!"

TR, Ericsson Services Limited

"...presenter had excellent knowledge..."

PD, TalkTalk

"(Instructor) knowledge excellent, and everyone had fun"

JP, Ascom Wireless Services

"Nice and informative introductory course"

CO, MTN Nigeria

"Very well explained, and made it make sense to a newcomer to telecoms"

SG, Home Group

" excellent instructor..."

DR, BT Group

"...a well run event, thank you."

PM, Orange

"Really great, thanks very much"

IW, Cable and Wireless

"...the NGOSS course was a complete sucess...thank you..."

RG, Hewlett Packard

"...a huge knowledge of the subject, and explains things superbly..."

SR, Ericsson

"Very knowledgeable...have learnt much more than I expected..."

DH, UK Government

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