Chapter 6. SLT Features
Dial Tone Disable
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2. Press "0."
The intercom dial tone can be turned off at an attendant phone. Dial tone is
turned off when a headset is used.
To disable the intercom dial tone:
1. Lift the handset
The phone issues intercom dial tone.
2. Press "#50."
3. Replace the handset.
To reactivate dial tone:
Repeat the preceding steps.
Section 700 - Operation