Cortelco 1 4-Line Multi-User User Manual

17

When using multiple phones, each phone must be set as a unique
extension number.  The phones are factory set as Extension 11, and
can be programmed from 11 to 22.

1.

Press the PROGRAM key.

2.

Press the up or down arrow key to scroll to the “Extension NO” item.

3.

Press the right arrow key to select this item.

4.

Press the up or down arrow key to select an Extension ID.

5.

Press the right arrow key to confirm your selection.

You may use the 

 button to access custom calling features

provided by your telephone company, such as call waiting, 3-way calling,
etc.

•

While on an outside call, press the 

 button to invoke call

waiting or other special telephone company services.  Contact your local
telephone company for instructions on the use of special services.

This feature allows you to program different flash times.
1.

Press the PROGRAM key.

2.

Press the up or down arrow key to scroll to the “Flash Time” item.

3.

Press the right arrow key to select this item.

4.

Press the up or down arrow key to select a time value.

5.

Press the right arrow key to confirm your selection.

A headset may be used with your 4-line telephone to allow you to use
your phone hands-free.  When the phone is in Headset Mode, the
Speakerphone and the hook-switch inside the handset cradle are disabled.

The 

 button is used to toggle between off-hook and on-hook.  The

handset is still usable, but only by using the 

 button.

•

Press 

 to toggle headset mode.  When the x button

light flashes, headset mode is enabled, and the speakerphone is
enabled.