Cortelco 2750 - Manual (Page 42)

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6.6.3.2 Dialing Calls
Press CALLS and use the up or down arrow buttons to display the desired number. Then lift the
handset, press SPEAKER, HEADSET, or a LINE button to dial the number. If the number is not
displayed in the correct format, press SELECT repeatedly to scroll through different dialing formats.
6.6.3.3 Deleting Numbers
To delete a single number, press DELETE twice when the desired number is displayed. To delete all
the numbers in the caller list press DELETE for 5 seconds while reviewing the caller list.
Note: The Caller List feature may be disabled. See Section 3.4.
6.7 Volume Levels
The Ringer, Handset, Speakerphone, Intercom Speaker and Discrete Alert Volumes can all be set
independently by using the VOLUME buttons. Eight ringer, four handset, eight speakerphone, eight
intercom speaker, and eight discrete alert volumes are available.
To increase the volume, press the UP button.
To decrease the volume, press the DOWN button.
6.7.1 Ringer
While the phone is on-hook and idle, press the up and down VOLUME buttons to set desired ringer
volume. With each press, the phone will ring once at the new volume.
6.7.2 Handset
While using the handset, press the up and down VOLUME buttons to set desired handset volume.
6.7.3 Speakerphone
While the speakerphone is activated, press the up and down VOLUME buttons to set desired
speakerphone volume.
6.7.4 Intercom Speaker
While using the intercom or receiving a page, press the up and down VOLUME buttons to set desired
intercom speaker volume.
The speaker volume levels for the intercom and for outside calls are independent of each other.
6.7.5 Discrete alert
While the phone is on-hook and idle, press HOLD. Then press the up and down arrows of the
VOLUME button to set desired discrete alert volume. With each press, the phone will ring once at the
new discrete alert volume. The discrete alert volume setting governs the volume of off-hook ringing,
off-hook intercom ringing, held call reminder, and line reserve alert.
6.8 Voice Mail (Message Waiting)
The 2750 supports external Voice Mail indicators. This requires a service subscription. When using
external VM, the LCD will display a message to alert you that there is a message and its line. Each