Citel is a provider of unique Voice over Internet Protocol solutions. Citel''s Portico TVA (Telephone VoIP Adapter) enables companies to migrate to IP telephony by leveraging their existing wiring infrastructure, reducing the cost and time involved in the
Citel supports most leading PBX platforms and more than 100 handset types. For complex deployments, most EXTender models can utilize local T1 or FXO circuits to support local dial tone for local-presence and survivability.
EXTenders are available in several configurations ranging from one to 24 ports and are stackable, supporting single remote workers, large branch offices, and everything in between.
Founded in 1997, ISPhone is one of the world`s first VoIP networks, with members all over the world. Our mission is to help service providers worldwide profit from the telecom revolution. ISPhone provides the network, termination, and billing services tha
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