LG L600V User Manual page 69

Video call
Also, sound can be set for the incoming video call.
The sound setting is used in the order of Contacts,
Group ringtone and Profile.
You can accept the incoming call by pressing the left
soft key [Accept].
The incoming call ringing can be silenced by pressing
the right soft key [Silent]. It can be also silenced by
long press on on the left side of the phone.
When ringing is silenced, press the right soft key
[Reject] to reject the call.
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