Alcatel ONE TOUCH 500 User Manual page 37

Changing the volume
During a call, you can adjust the sound volume by using the scroll
key.
Handling a second incoming call
You already have a call:
OR
2 n d c a l l
M i c h e l
Second Take the
incoming call call
If you press the key, the incoming call is accepted and the
ongoing call is automatically put on hold: you can then swap
between calls by pressing the
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Refuse
key.