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“Mitel 'SIP Center of Excellence' is pleased to announce that it fully supports and endorses The SIP School and the SSCA” Anshu Prasad, Mitel
“I can fully endorse 'The SIP School' and the SSCA certification program” Paul Gorrigan, Panasonic.
“TIA recognizes the SIP School's online program as an excellent, cost-effective and convenient source for both training and certification for IT professionals.” TIA President Grant Seiffert
“Having just completed the SIP training, I must say that I am VERY HAPPY with the training that was provided by your school” Joe, Avaya
“The SSCA® is the single most important certification on SIP in the world today” Toshiba
“You have raised the bar for training” Eugene, SAIT Polytechnic
“We had a conversation and will be providing a Link and Endorsement in the SIP Training section of our Training page” Scott Beer, Ingate.
“The training is very helpful and detailed. I can not think of anything negative.” Larry, TDS Telecom
“I think that anyone dealing with SIP, should have this [SSCA®] certification, as a way to prove they know what they’re talking about.” David, Brand Electric
“The sip school course I completed was the most indepth, complete coverage course that I have taken on a subject” Steve, MTS Allstream
“The SIP School is an excellent resource that I personally recommend.” Alan Percy, AudioCodes
“The sip school course I completed was the most indepth, complete coverage course that I have taken on a subject” Steve, MTS Allstream
“My trainers felt that the SIP training was excellent and included all the material that we would normally design into an ILT course” Julian, Siemens.
“By far this course is way ahead of the Nortel offering” Tim, Bell Canada
“There are many books and courses, but I found nothing comparable.” Daniel, Telekom & Netzwerk AG

Industry

Vocale Ltd is proud to have the support of the following organisations and it's through these (plus many others not shown here) that make The SIP School and (in June 2013) WebRTC School the industry leaders in SIP, VoIP and WebRTC certifications.  For more detail on certifications attainable, please visit the FAQ page on this site.

Aastra www.aastra.com
Acme Packet Acme Packet ~ www.acmepacket.com
Acuta ~ www.acuta.org
AstraQom www.astraqom.com
  AudioCodes ~ www.audiocodes.com
Avaya - www.avaya.com

Avaya DevConnect - http://bit.ly/1ILjdQ

Bandwidth.com - http://bandwidth.com
British American Business Council - http://www.babc.org
Bell Canada - http://www.bell.ca
BICSI ~ www.bicsi.org
Brekeke ~ www.brekeke.com
Broadvox ~ www.broadvox.com
Cetis Group ~ www.cetisgroup.com

The Cisco Learning Network Store

The SIP School is a Cisco Authorized Supplier
DIDx ~ www.didx.net/
Gamma Telecomhttp://www.gammatelecom.com/
Global Knowledge (UK)http://bit.ly/aOrJdi
Ingate ~ www.ingate.com
IAUG ~ www.iaug.org
IPC ~ www.ipc.com
ITSPA ~ www.itspa.org.uk
MITEL ~ www.mitel.com
NACR ~ www.nacr-learning.com/home/
NEC - www.necam.com
OnSIP ~ www.onsip.com
Pacific Telecommunications Council ~ www.ptc.org
PANASONIC ~ www.panasonic.com
SAIT Polytechnic ~

http://www.telecomworld.ca/ITTS/index.html

SIP Forum ~ www.sipforum.org
snom - www.snom.com
Sonus - www.sonus.net
SoTel System ~ www.sotelsystems.com
Spitfire ~ www.spitfire.co.uk
ThinkTel ~ http://www.thinktel.ca/en/home
Toshiba - www.telecom.toshiba.com
TIA ~ www.tiaonline.org
twtelecom ~ www.twtelecom.com
UM Labs ~ www.um-labs.com
USTelecom ~ www.ustelecom.org/
Voip.co.uk ~ www.voip.co.uk
Virtual Hold ~ www.virtualhold.com

Westcon USA ~ http://us.convergencepoint.westcon.com/

Westcon EMEA ~ http://uk.convergencepoint.westcon.com/

  Yealink ~ www.yealink.co.uk

More BIG names to be announced soon!

We're also delighted to be 'connected' to Dr Peering ~ http://www.drpeering.net