- Dual-mode CAPI 1.1/2.0\n- Integrated network CAPI, Configuration utility\n- All PrimuX adapters can be combined in one PC\n- Speech communication without audible delays and echoes (typ. 8 ms)\n- 120+ parallel fax transmissions / receptions on one PC. Fax-Polling, compression (MR, MMR), ECM, DTMF and progress tone detection\n- Fax service provider for Windows Fax\n- Implementation of all ISDN supplementary services:\n- Caller identifikation (CLIP, CLIR, COLP, COLR, KEY, MSN, DDI, SUB), call transfer (TP, CFU, CFB, CFNR), Call completion (CW, HOLD, ECT), advice of charge (AOC), 3-party conference, complex conferences.\n- External protocols: DSS1, 1TR6, NI-2\n- Protocols: X.25, X.75, transparent, HDLC transparent, V.110, T.30, T.70 NL, T.90 NL, ISO 8208, LAPD\n- NT versions: Each port can be selected to be used in NT or TE mode. Supply voltage: 32V, 2-4W per channel (BRI only)