Panasonic KX-tg2740s Operating Instructions Manual page 65

t>The handset will ring for 1 minule.
Ex. Calling klandset 'I
Intercom
00-00-05
d4ll handsets will ritty for '1 nrinute.
~Yoct can only lallr with ihs har~dset user who answers first.
& ati it.t~:ot,nirt~ call is being received, you will hear two "rones (it~cot~in~ call tone,
p. 8'1) and the i-l&E itndicatot, on tile base unil will flash quickly. To answer, if
you are using @he hattdse'l, press the relevanl soft key (
),
If you are using the base unil, press the called line b&on.
oII the
unit delects a problem: an error message will be ~~is~~la~/ed (p. 'ICE).