About Us

COS Telephone is a privately held, independent telecommunications company located in Southern Nevada. The company provides telecommunications hardware and services to its end users nationwide.

Founded in 1991, COS Telephone started with a vision to deliver end-to-end solutions, reliable service and a commitment to value for our customers.

COS Telephone offers Nortel and Avaya brand of telecommunications products and services. The company also offers a wide variety of other telecommunications products from Cisco IP Phones for VoIP service, Teledex hotel guestroom phones to Leviton, Hubbell and ICC for networks. We also offer Oki Data multifunction printers and Digital Watchdog surveillance systems. 

Business voice and data services are also available from our global carriers such as TW Telecom and MegaPath offering integrated voice and data services, including PRIs, T1, SIP trunks, long distance and colocation at the most competitive prices with superior customer service. 

In today's dynamic business environment, enabling communications can improve productivity and profitability. And, enabling communications means getting your employees connected to the people and information they need to do the job right.

At COS Telephone, we can help your employees be more productive and your company to become more profitable.