Sharp WX03SH User Manual page 77

Setting Handset Responses
Setting Keys to Answer Calls
1
In Sounds & Alerts menu,
Any Key Answer
2
On, Only Mute or
. Select On to answer calls with
!, Dialpad, etc.
. Select Only Mute to mute ringer
with $, Dialpad, etc.
S %
Off
S %
10-2