Used Fritz Card, technically checked.
FritzCard
TECHNICAL FEATURES
Type of internally
Interface Type PCI
ISDN S0
Engineering design passive
X.75; DSS1

EQUIPMENT
Yes Fax Feature
Group 3 fax
Yes voicemail

GENERAL INFORMATION
Weight 55 g

CE marking

SUPPLIED
ISDN adapter ISDN cable

The right software and an electronic manual can be downloaded from the Download section www.avm.de down