Subaru 2009 Impreza Navigation System - Manual (Page 196)

196 Handsfree
Speaking over the handsfree
Hanging up an incoming call before answering
it (Denial of an incoming call)
It is possible to hang up an incoming call before answering it. And it is
also possible, while putting a phone call on hold, to conduct the follow-
ing operations to hang up the phone call.
1
Select (Disconnect) or keep pressing the
phone switch of the steering switch for more than 2 sec-
onds.
The phone call is hanged up.