Features767 B/C/D supports DS1 Digital ConnectivitySupports CO, TIE, DID, and Off-Premises Stations (OPS) port types using robbed bit signaling protocolSupports ISDN-PRI in Release 6 and higherTN 767E is required to communicate with conversant and for enhanced maintenance capabilities of the 120A CSUIncludesRefurbishedLibrary Hardware Description and Reference for Avaya Communication Manager
