Ricoh 3800C Operating Instructions Manual page 58

Registering
C Enter a facsimile number using
the number keys.
3
D Press [OK].
Programming G4 Terminal ID
The display appears as below
when the optional ISDN Unit is in-
stalled.
A Press [G4 Terminal ID].
B Press [Country Code].
54
C Enter a country code using the
number keys.
D Press [OK].
E Press [Facsimile No.].
F Enter a facsimile number using
the number keys.
G Press [OK].
H Press [Terminal Name].