Muratec F-65 - Manual (Page 34)

Call request
You can send or receive a fax message and have a regular phone conversation on
the same call.
For further information on how to use this function, see page 2.47.
Dialing during a power failure
You cannot make a telephone call or send a fax during a power failure or if your fax
is disconnected from its power source.
1.26
Getting started