LEVER - leading providers of Voice over IP training and IP telephony training.Realise your true potential with expert VoIP training from LEVER.Call free on 0800 138 3030.

Voice over IP Training

Voice over IP and IP telephony technologies (H.323, SIP, MGCP, Megaco, CIPT, etc)

LEVER's market-leading Voice over IP training and IP telephony training curriculum provides a comprehensive, vendor-neutral coverage of Voice over IP and IP telephony.

Now in its fifth year, our IP telephony training courses combine comprehensive training content and expert training delivery with extensive hands-on practical labs and complete vendor-neutrality.

Hands-on practical
The hands-on practical labs that you will conduct include:

  • Working with H.323 soft phones, videoconferencing suites and IP telephones.
  • Working with H.323 gatekeepers; configuring and monitoring Registration, Admission and Status.
  • Implementing Gatekeeper-controlled call routing.
  • Analysis of H.323 call signalling: Q.931, RAS (H.225) and H.245
  • Working with a range of voice codecs, including G.711, G729, G.729a and G723.1.
  • Codec throughput analysis and voice quality assessment.
  • RTP encoding and throughput analysis.
  • RTCP sender and receiver report analysis.
  • Analysing RSVP.
  • Using RSVP with Weighted Fair Queueing (WFQ) to implement QoS for VoIP and video conferencing.
  • IETF telephony: working with SIP phones, SIP clients and SIP servers.
  • Analysing SIP signalling and SDP message encoding.
  • Using media gateways for VoIP trunking; VoIP tail-end hop-off.
  • Using media gateways for incoming call processing, with DID and caller-controlled routing.
  • Managing media gateways: implementing dial peers, dial plans, codec control, VAD, QoS, and more.
  • Planning IP telephony solutions; signalling architecture, equipment selection, codec selection, delay budget.

Delegates work extensively with Cisco IP Telephony equipment, along with hardware and software products from vendors such as Agilent, Microsoft, iptel and more.

Attendees also learn about the Media Gateway Control Protocol (MGCP), IETF Megaco (ITU H.248), inter-system signalling, signalling gateways, SIGTRAN, SS7, Q.BICC, Q.SIG,

The course assesses VoIP products from a wide range of vendors, including 3Com, Avaya, Cisco, Lucent, Microsoft, Mitel, Nortel and many more. Delegates get to understand the range of vendors from which different types of Voice over IP products can be sourced, the relative strengths of different vendors, and which vendors to choose for which products.

Why choose LEVER for VoIP training?
Here are twelve reason why you should choose LEVER for Voice over IP training:

  1. LEVER are now in their fifth year delivering market-leading training in Voice over IP and IP Telephony.
  2. Our repeat-business customers include major Telcos, the Military and The United Nations - with whom we have a three-year contract for Voice over IP Training.
  3. Our VoIP courses are highly hands-on practical, and incorporate a range of advanced practical labs that you won't find on other VoIP courses.
  4. We cover all major VoIP architectures, including H.323, SIP, MGCP and H.248/Megaco.
  5. We deliver vendor-independent training in Voice over IP, which means that you get hands-on access to VoIP products and systems from a range of leading VoIP vendors, not just one vendor, along with unbiased, impartial advice.
  6. Delegates work in class with live Media Gateways, Gatekeepers, H.323 terminals, SIP servers and SIP clients.
  7. Delegates conduct live Voice over IP calls in class, and to users around the world via PSTN gateways.
  8. Delegates gain hands-on experience configuring media gateways, dial plans, IP QoS, and much more.
  9. LEVER have real-world experience in large-scale commercial IP telephony deployments, that we will pass on to you during training.
  10. Our hands-on practical VoIP training courses have been adapted and proven for more than four years.
  11. We provide on-going VoIP training for a range of prestigious clients in the mobile network operator and telecommunications sector, Times 1000 companies, Government and Defence sectors.
  12. We deliver IP telephony training tailored to the needs of all types of people, ranging from experienced voice or data network engineers, through to Sales and Marketing personnel, along with technology briefings for technical and non-technical staff.

To find out more about Voice over IP training and IP telephony training from LEVER Technology Group PLC,
call free on 0800 138 3030 (UK) or +44 (0)113 398 3300 (International) or e-mail

(c) Copyright 2006 LEVER Technology Group PLC