Aastra 55I IP PHONE - RELEASE 2.1 User Manual page 171

Using the Goodbye Key to Cancel Incoming Calls Feature
IP Phone UI
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,
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.
Model 55i IP Phone User Guide 163