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Voice and VoIP

Our voice and VoIP telecoms training courses are specialised to telecommunications operators. They cover conventional telco voice topics such as ISDN and SS7 signalling, as well as VoIP in telecommunications networks from various perspectives: Implementing enterprise VoIP within a telco as a hosted VoIP service using powerful open-source applications such as Asterisk and SIP Express Router (SER), understanding PSTN to VoIP evolution and inter-working using decomposed switching, MEGACO, H.248, SIP, SIP-I and IMS, and implementing native NGN VoIP applications based upon SIP and the IMS architecture.

  • Asterisk and SER: Hands-on
    Hands-on training on design, installation, configuration and support of VoIP platforms: Asterisk and SER
    Level: Advanced (Level 3)
    Duration: 4 Day Course
    Delivery: Instructor-led with attendee hands-on

  • H.248 and Softswitching Architecture and Protocols
    Training on the key voice architectures and protocols for interworking between PSTN, 3GPP, TISPAN and VoIP in carrier networks.
    Level: Advanced (Level 3)
    Duration: 2 Day Course
    Delivery: Instructor-led with demos

  • Introduction to VoIP and IMS
    A comprehensive introduction to VoIP, including SIP, IMS and H.248, and the services and networks implemented using these. Includes advanced topics such as IMS in TISPAN and 3GPP networks, VoIP security, NAT traversal, and the role of Session Border Controllers (SBC)
    Level: Intermediate (Level 2)
    Duration: 2 Day Course
    Delivery: Instructor led with demos

  • IPTV and Triple-Play Networks and Services
    Training course in IPTV over IP networks, including mobile TV and TV over ADSL, and competing technical standards and regulation
    Level: Intermediate (Level 2)
    Duration: 2 Day Course
    Delivery: Instructor-led with demos

What customers say...

"Really useful! Helped to meet my work objectives"

KP, Virgin Media

"...excellent instructor!"

TR, Ericsson Services Limited

"...really informative..."

KA, Dimension Data

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

PL, Digitalk

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

RG, Hewlett Packard

"CD really helpful"

DH, UK Government

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

BD, DDB Lagos

"Nice and informative introductory course"

CO, MTN Nigeria

"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

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

MT, UK Government

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

KP, Central Government

"Really great, thanks very much"

IW, Cable and Wireless

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

LK, Ericsson

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

MM, Siemens

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

PK, Vodafone Group

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

MT, UK Government

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

JP, Ascom Wireless Services

"Really enjoyed the course..."

YD, Virgin Media

"Very knowledgeable"

CH, UK Government

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

PD, TalkTalk

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

VC, Hewlett Packard

"A good start to understanding the NGOSS framework"


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

ND, Commonwealth Telecommunications Organisation

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

PM, Orange

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

DH, UK Government

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

SG, Home Group

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

PS, Intelsat

" excellent instructor..."

DR, BT Group

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

AL, UK Government

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

SR, Ericsson

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