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This Toshiba Card is a 3 circuit DTMF receiver/ABR Detector. 1 per system required of connection of DTMF standard telephones. Direct Inward System Access (DISA) lines, and voice mail devices. Also provides busy tone detection for ABR. The QRCU3 mounts inside the KSU.
- Mfr. Part #: QRCU3A
- Toshiba DTMF Card
- 1 per system required for connection of DTMF standard telephones, direct inward system access lines, and voice mail devices
- Also provides busy tone detection for ABR
- The QRCU3 mounts inside the KSU
- Condition: Refurbished
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