Citel is The VoIP Migration Company™. We develop the world''s most comprehensive portfolio of network-edge products enabling enterprises to realize the cost and productivity benefits of IP telephony, while leveraging existing telecom and datacom investm
Citel is The VoIP Migration Company™. We develop the world''s most comprehensive portfolio of network-edge products enabling enterprises to realize the cost and productivity benefits of IP telephony, while leveraging existing telecom and datacom investments.
Founded in 1995 in Nottingham, UK as a developer of computer telephony integration (CTI) applications, the company has grown over the last decade to become a global leader in the design and manufacture of IP telephony migration solutions.
Global Technology and Communication Systems Limited are fully integrated information and communication technology company with headquarters in Houston, Texas, USA.
We were established to deliver high-speed broadband Internet-based data, voice, and vid