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CallTower, Inc. provide Billing Software, Call Relay VoIP Solutions, Call Routing VoIP Solutions, Collaboration, Data Conferencing, Fax To Fax, Gatekeepering, H.323 Softswitch & CPE, H.323 VoIP Gateway, Installation and Support Services, IP devices, Outsourced Billing, Partnering for Origination and Termination, PC to Phone, Phone To PC, Phone To Phone, Project Mangement Services, SIP VoIP Gateway, System Integration, Termination, Voice and Video Conferencing, vPhone, Web Call, Web To Phone services. Protocols: h.323 City: San Francisco, CA Provider phone: 866-586-5900 Provider site: www.calltower.com |