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Business Communication Solutions is a telecommunication & networking company providing Business Phone Systems & Networking Solutions to Austin, & Metro Surrounding Areas. We specialize in sales, installation and service of top brand phone systems. Our networking specialist can install, configure and service your network hardware.


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Austin (512)257-1433


Adtran's TSU Series is the world's number one T1 DSU/CSU product line and offers the broadest line of T1/E1 termination equipment available on the market today. Models range from single-port DSU/CSUs to full-featured, multiport multiplexers. Multiport models accept numerous application modules for voice, data, disaster recovery, and much more. ADTRAN also offers a full line of CSUs for lightening protection and circuit termination along with more advanced T1/E1 access solutions like our widely deployed NetVanta line of IP Access Routers for T1/E1 networks.

T1 CSU Series

T1 CSU ACE | T1 ESF CSU ACE



Adtran T1 CSUs


Sales | Services


Adtran T1/E1 Access

ESU Series

ESU LT



Adtran Standalone single-port E1 DSU/CSUs

Sales | Services


TSU Single-port Units

TSU ACE | TSU | ESP | TSU Metal



Adtran T1 CSU and single-port DSU/CSUs

Sales | Services


TSU Multiplexers

Solutions that address today's highest networking priorities, including bandwidth expansion and perfect for deployment in branch offices or in multi-site networks



TSU Multiplexers aggregate voice only or voice and data

Sales | Services


Telecommunication Locations

Business Communication Solutions

Adtran Phone Systems

Business Communication Solutions

Adtran Network Systems

Business Communication Solutions

Adtran Software Systems

Business Communication Solutions