Aastra 6757i CT User Manual page 264

Using the Goodbye Key to Cancel Incoming Calls Feature
IF
"Goodbye Key Cancels Incoming Call" is
enabled AND a second call comes in while
you are on an active call,
"Goodbye Key Cancels Incoming Call" is
disabled AND a second call comes in while
you are on an active call,
"Goodbye Key Cancels Incoming Call" is
disabled AND a second call comes in while
you are on an active call,
Model 6757i CT IP Phone User Guide
IP Phone UI
THEN
press the Goodbye key to reject the second
incoming call.
press the Goodbye key to hang up on the active
call so you can answer the second incoming call.
press the "Ignore" softkey to ignore the second
incoming call and remain on the active call
OR
press the "Answer" softkey to answer the
second incoming call.
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