Siemens I-SURF - Manual (Page 66)

11. Troubleshooting
60
Software
Fax transmission
does not succeed PC performance
too low Are other PC
programs active? Close other
applications.
Does the PC
meet minimum
hardware
requirements? Update PC
hardware.
Incompatible Fax
device Does fax
transmission
work with other
fax machines? Check if an
update for the
ISDN Adapter is
available.
Voicemail has
bad sound PC performance
too low Are other PC
programs active? Close other
applications.
Does the PC
meet minimum
hardware
requirements? Update PC
hardware.