This module provides additional analog telephone interfaces:
- Two Wire
- DTMF signaling (No rotary or Loop Disconnect)
- Time Break Recall (No Earth Loop Recall)
- Caller ID capable
- Message Waiting Indication (MWI) capable - High Voltage, Pulsed High Voltage, Line Reversal
The IP500 Phone module is available in 2 versions, giving 16 or 30 extensions. Telephones can be located up to 1km from the control unit. For extensions located "out-of-the-building" additional line protection will be needed. For more information on cabling and out of building guidelines, see the IP Office Installation Manual.