Cortelco 2420 Telephone User Manual


 
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Contents
Important Safety Instructions …………………………………………………..………....4
Installing Your Phone …….………………….. ……………………………………………4
Telephone Operation
Making and Receiving calls …………………………...…………………. ………………5
Speakerphone……………………..…………..…………………….…………. ……....5
Call Timer…………………………………………………………………..……………….6
LCD Backlight Display ..…………………………………..………………………….....6
Connecting An Optional Headset…………..……………………………………….....6
Muting A Call….…………………………………………………………………………....6
Placing A Call on Hold….…………………………………………………………………...6
Music On Hold…………….…………….……………………………………...………....6
Using Flash………………….…………………………………………………………….6
Using Tone Service on A Pulse Line………………………………………………......6
Programming The Emergency Buttons…………………………………………..……….6
Amplification Features
Incoming Voice Volume…………………………………………………….....……….…...7
Incoming Voice Tone….…………………………………………………….....……….…
...7
Ringer Volume………………….. ………………………………………….....……….…...7
Speaker Volume……………. ..…………………………………………….....……….…...7
Handset Volume…………………………………………………………….....……….…...7
Handset Tone………….…………………………………………………….....……….…...7
Adjusting Ringer Tone…. ………………………………………………….....……….…...7
Memory Operation
Storing An Entry…………….…………………………………………………..…………...7
Pause………………………………………………………………………………...……….8
Review A Number From the Memory ..…………………………………………………....8
Dialing A Number From the Memory…..…………………………………………………..8
Using The One-Touch Speed Dial Memory……. .………………………………...……..9
Changing A Speed Dial Number…….……………………………….....………………....9
Cloning A speed Dial Number………………………………………..…………………….9
Deleting A Speed Dial Number………………………………..................………………..9
Deleting All Memory Entry………………………………..................………… . ………..9
Redial………………………………………………………………………………………....9