Telesystem, Inc. (Telesystem) is the dominant communications provider for commercial customers primarily in Northwest/North Central Ohio and Southeast Michigan. Established in 1994 with a customer-centric mission, Telesystem provides a wide array of communication, collaboration and information services and solutions delivered over the Public Internet and/or their highly-advanced fiber, integrated DWDM and carrier-class Ethernet core layered network.

Utilizing Session-Initiation Protocol (SIP), offerings such as Hosted Stations (Hosted IP-Centrex), SIP Trunks, high definition voice and a growing suite of application solutions are available virtually anywhere in the world, through the advancement of the Hosted VoIP service portfolio.

The state-of-the-art Network Operations Center delivers 24/7 monitoring and support for Telesystem’s networks, services and customers, plus it also contains our highly redundant Service Provider Data Center where services such as Cloud, Colocation and Disaster Recovery are provided.


Telesystem is a subsidiary of privately-owned Block Communications, Inc., whose other holdings include Buckeye CableSystem, a multiple system cable operator in the Toledo/Sandusky, Ohio area, the Toledo Blade, and the Pittsburgh Post-Gazette daily newspapers.