Cortelco 2757 - Manual (Page 28)

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The phone will ring when a call is received. The line selector button beside the LCD will also flash.
If your service provider supports Caller ID, the phone number of the calling party will be displayed
on the LCD screen.
To answer the call, pick up the handset, press ‘Speaker’, or press ‘Answer’..
During the call, a timer will be displayed on the LCD screen. It will start from 00:00:00 and will
show the total time elapsed during the call.
2.7.2 In-Call Options
Several options are available on the soft keys below the LCD screen. They are described below.
2.7.2.1 Transfer - Trfr
Transfer current call to another phone – Ask the remote party to remain online (do not hang up the
phone). Press ‘Trfr’, and you will see the following message displayed on the LCD screen.