Panasonic kx-tg2382b Operating Instructions Manual page 46

a'l'he display on the right will be shown.
ksr, the muto will be released.
if you Rear a c~ll~~~~~itirr~ %or1e wl1ile la%ltirKg.
*The first call is put on hold and you can answ~ the second call.
aTo return to the fir& caller, press
ayain.
*Ihe call waiting service cannot be used when:
-the first call is placed on hold,
--the ~~~w~~i~g System is recording ~o~~on~'a massage, or
-a parallel connected telephone is in use.
@If this function does not operate ~~~o~erly, consult your ~~le~~~otie cot~~~atly ~OI
details.