Panasonic P-05D Instruction Manual page 239

Procedure for the Other Party to Make a Call
to You
■
Having the other party make a call from Japan
The caller only need to dial the phone number as he/she normally
does in Japan.
■
Having the other party make a call from a country
other than Japan
Since the call is forwarded via Japan regardless of where the caller
is, the caller must dial international call access code and "81".
International call access code of the originating country -81-90 (or
80)-XXXX-XXXX
238 Overseas Use