Cortelco 2750 instruction manual Caller ID on Call Waiting Cidcw Sensitivity, Hold Call Reminder

4.3.Caller ID on Call Waiting (CIDCW) Sensitivity

If your 2750 does not respond correctly to CIDCW signals, it may be necessary to adjust the sensitivity.

a.Press MENU,

b.Press the soft key under ENTER

c.Press DOWN ARROW repeatedly. “CIDCW: High Sens” or “CIDCW: Low Sens” appears in the display

d.Press the soft key under CHANGE to change sensitivity

e.Press MENU to exit.

4.4.Hold Call Reminder

Your 2750 is factory-set to automatically alert you at 2 minutes, and then every 2 minutes thereafter, if a caller is still on hold. This feature is designed to prevent calls from accidentally being left on hold for long periods. If you would prefer a different first reminder time, you may change the setting to 30 seconds or 1 minute, or you may set the Hold Call Reminder to OFF.

a.Press MENU. The display will read “Phone Setting”

b.Press the soft key under ENTER

c.Press Down Arrow repeatedly until “Hold Remind:” appears in the display

d.Press the soft key under CHANGE repeatedly until the desired held call reminder time is displayed.

e.Press MENU to exit.

4.5.Adjusting Auto Hold Drop Time

Your 2750 telephone is factory-set to automatically drop a call if it is on hold for more than 30 minutes. This feature is designed to prevent calls from accidentally being placed on hold indefinitely. If you would prefer a different length of time, you may change the setting to 5 minutes,15 minutes, or 99 minutes

a.Press MENU

b.Press DOWN ARROW repeatedly until “Advanced Setting” appears in the display

c.Press the soft key under ENTER

d.Press DOWN ARROW repeatedly until “Hold Drop” appears in the display

e.Press the soft key under CHANGE repeatedly, until the desired hold drop time is displayed.

f.Press MENU to exit.

4.6.Adjusting Flash Timer

Your 2750 telephone is factory-set to have a flash length of 600 milliseconds, which is appropriate for most environments. However, if your installation requires a different flash length, you may change the length to 100 milliseconds, 300 milliseconds, or 1 second.

a.Press MENU

b.Press DOWN ARROW repeatedly until “Advanced Setting” appears in the display

c.Press the soft key under ENTER.

d.Press DOWN ARROW repeatedly until “Flash Time” appears in the display

e.Press the soft key under CHANGE repeatedly, until the desired flash length is displayed.

f.Press MENU to exit.

22 2750 User Guide Version 1.3