3CX Professional (PRO) Phone System - Annual License

3CX Professional (PRO) Phone System Annual License Still unsure?  Sign up for 3CX FREE to test the waters. Annual licenses are valid for 12 months after which a renewal is required at the same rate. Pricing is based on the number of simultaneous calls a company needs. Usually, 1 sim. call per 3-4 extensions is required, i.e. a company with 50 extensions would need a 16 sim. call license. 3CX Phone System for Windows is an IP Phone System that completely replaces your proprietary PBX, supports standard SIP soft/hard phones, VOIP services and traditional PSTN phone lines. 3CX Phone System is far less expensive than a traditional PBX and can reduce call costs substantially by using a VOIP service provider. Its web-based administration makes phone system management easy. 3CX Phone System eliminates the phone wiring network and allows users to hot desk simply by taking their phone. Looking for 3CX Small Business Edition (SMB)?Looking for 3CX Enterprise Edition (ENT)? See 3CX Editions Compar