3CX Enterprise (ENT) Phone System - Annual License

3CX Enterprise (ENT) 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 Enterprise comprehensive edition carries all of the great UC and management features as the PRO, with an additional standby license for use with a secondary (standby) machine. The standby license is the same license key as the original, but can be used with a passive machine for backup purposes in the event that the primary machine encounters issues. This makes the 3CX Enterprise Edition the perfect solution for large companies and organizations who cannot afford a minute of downtime in their communications. The standby license works hand in hand with the inbuilt failover, which is also available in