Citel PBXgateways are installed at the central PBX location, and EXTenders are deployed at branch offices, call centers, or at home offices over managed IP connections, DSL, cable, or analog circuits
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 migration process.Citel''''''''s EXTender™ and PBXgateway™ product suite enables enterprises to distribute the features and applications of a central PBX to branch offices, call centers, and home-based employees, all over an existing IP or other managed data circuit.
VOIP PI Co., Limited. is a one of the leading asterisk telephony card manufacturer in china, with passion in supplying open souce hardware.
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