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.
With Citel''s Portico™ TVA™, existing PBX handsets connect directly to a Session Initiation Protocol (SIP) based on-premise IP PBX or Hosted IP telephony service provider. Citel can help you determine which type of deployment strategy - Hosted or premise-based - is best for you and the needs of your enterprise.
4branvoip provides carrier-class VoIP termination service, connecting your calls to the outside world. Our fully interoperable voice network delivers next generation IP solutions today. Our flagship service is wholesale VoIP termination and we have a vast
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