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3. Facilities and Features
This apparatus has been approved for the use of the following facilities
- Simple telephone facility with headset operation
- Loop Disconnect or DTMF Signalling (selectable)
- Mixed Mode signalling
- Earth Loop and Timed Break Recall.
- Handset push to mute facility or optional push to speak (in handset mode only)
- Base unit latchable mute, with LED indication.
- Wall or Desk mountable.
- Ringer OFF/LO/HI control
- Ringer pitch control
- Pause entry in dialling sequence.
- Message waiting.
Any other usage will invalidate the approval of the apparatus if as a result it then ceases
to conform to the standards against which approval was gained.
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