Citel is a developer and provider of unique Voice over IP telephony and converged communications solutions. Our goal is to si ... mplify and accelerate the transition to next generation communications solutions. Citel has developed Broad-X. The OSS / BSS “Designed By Operators for Operators”. The Next Generation Business System and Operations System Platform for use with BroadWorks. Citel's Portico TVA range is aimed at the many millions still using legacy telephone systems, and.will VoIP enable a wide variety of business telephones including Nortel, Lucent Avaya, Toshiba, Ericsson, Siemens, Panasonic, NEC, Analog and Centrex phones. Citel has also developed one of the first IP phones to support both SIP and the NAT-friendly protocol IAX2 - IAX2 is part of the Open Source Asterisk project. Working with world leading telecom companies such as Broadsoft, Cisco and Avaya we continue to develop new solutions to help companies succeed with introducing and managing VoIP technology. Citel is based in Amherst, New York with offices in Loughborough, England (UK) and Toronto, Canada. read more