TRC Engineering Services offers a full range of COE engineering services including Central Office Equipment, Fiber Optic Transmission Equipment, Digital Loop Carriers (DLCs), digital switching equipment, Digital Access Cross-connect Systems (DACS), and any other Central Office Equipment, such as BITS clocks or recorded announcement machines.

COE experience and capabilities include the following:

• Switching, Access, and Transport
• Switching Equipment Engineering
• Soft & Digital Switching, Traffic Analysis, Translations
• Data Network Engineering
• Broadband Network, VOIP, IP-PBX, IP-Centrex
• Access & Transport Equipment Engineering
• Fiber Optic, DLC, BLC, and Radio
• Wireless Systems
• Translations
• Radio Frequency Propagation Studies
• Path Surveys & Tower Site Selection