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.
VoX Communications is a proven provider of wholesale and retail Voice over Internet Protocol (VoIP) services. Using our own nationwide VoIP network, VoX offers wholesale broadband voice, origination and termination services to cable operators, carriers, I
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