3CX vs Verizon

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.

Verizon Communications Inc., branded as Verizon, is an American broadband and telecommunications company, the largest U.S. wireless communications service provider as of September 2014, but is incorporated in Delaware. What eventually became Verizon was founded as Bell Atlantic, which was one of the seven Baby Bells that were formed after AT&T Corporation was forced to relinquish its control of the Bell System by order of the Justice Department of the United States. Bell Atlantic came into existence in 1984 with a footprint from New Jersey to Virginia, with each area having a separate operating company.