Definity TN793CP Circuit Cards

The TN793CP is an analog line, 24-port circuit pack that supports caller ID telephones and caller ID devices that conform to Bellcore Standard GR-30-CORE, Issue 2, and Bellcore-compliant signaling using V.23 Frequency Signal Keying (FSK). This means that the TN793CP supports caller ID devices in the U.S. and most other countries.