Putting A Call On Hold - Sony IT-A300: Operating Instructions Manual

The HOLD button allows you to
temporarily suspend a phone
conversation without
disconnecting the call. When a
call is on hold, you will not be
able to hear the caller, and the
caller will not be able to hear
you.
SPEAKERPHONE button
HOLD button
and cannot hear the "call waiting"
Press HOLD.
Using as a telephone | 23