3CX Phone System is a software based private branch exchange based on the SIP standard. It enables extensions to make calls via the public switched telephone network or via Voice over Internet Protocol services. 3CX Phone System for Windows is an IP business phone system that completely replaces proprietary PBX systems, supports standard SIP soft/hard phones, VoIP services and traditional PSTN phone lines. Its web-based administration makes phone system management easy. 3CX Phone System eliminates the phone wiring network and allows users to easily work remotely.
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PGi GlobalMeet
Equifax, New York Life, Expedia, SAP, Aaron's, Staples
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