In case of issues which cannot be solved by phone, please send the
complete device with a copy of the sales receipt to the following
address:
FHF
Support ExResistTel MB
Gewerbeallee 15-19
D-45478 Mülheim an der Ruhr
If no errors are found during the inspection, we shall issue an
invoice for the processing fee.
Device overview
(Screws)
(Snap-in hook)
6
(Cover screws)
(Top part of
the phone)