The Basics
Ring Tones
Strata CIX DP5000-series Telephone UG 11/07 17
Speakerphone/Microphone Sensitivity Adjustment
When you are using the speakerphone, high ambient noise levels may cause the party
you are talking with to be to cut off frequently. If this happens, follow these steps to
lower the sensitivity of the microphone on a DP5000-series telephone. The default is
normal sensitivity.
1. Press 3+6+9+Hold (simultaneously).
2. Press 0.
3. Press Programmable Feature Button 3 (FB3) to toggle On/Off.
FB3, LED On: Lower sensitivity
FB3, LED Off: Normal sensitivity
4. Press Hold to set the option.
5. Go off-hook, then on-hook to exit the program mode.