ADTRAN offers the ATLAS Series of Integrated Access Devices that provide ISDN PRI/BRI dynamic, call-by-call switching using an integral switchboard and dial plan. ATLAS also supports PRI to T1, PRI to BRI, and PRI to analog conversions.
ADTRAN also has a complete line of ISDN Service Units (ISUs) and NT1s for extending and terminating basic rate service from PBXs and Central Office switches. The ISU 128 offers LAN / WAN connectivity allowing for audio broadcasting, remote recording, or large file transfer and can be remotely configured via the ISDN line.
The ISU 512 is a low-cost ISDN Inverse Multiplexer supporting up to four ISDN BRI lines and is ideal for videoconferencing or T1 disaster recovery.
The NT1 ACE4 supports up to four ISDN S/T-Interfaces, converting these interfaces to U-Interfaces. The NT1 ACE4 is ideal for videoconferencing applications.
