Description
- DTMF (tone) and rotary (pulse) dialing.
- Electronic ringer to indicate incoming calls.
- Last number redial -23 digits – T/P.
- Line polarity indication.
- Line monitor feature.
- Register recall/Hook flash.
- Mute feature for noisy locations.
- Modular cordset connection.
- Amplified speaker (Series 4 ampli only)
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