Hi ivo1952,
I use the M34 usb dongle with a S445 base station for more than a year and it works -great-. Here are some tips:
- make sure that you download the latest Siemens M34 software from (now 36 / 725) :
http://gigaset.siemens.com/shc/0,1935,hq_e...00.html#content- unplug the M34 dongle, install the software and replug it when the installation tells you to. You might have to reboot once or twice if you had an earlier version installed.
- after the installation, make sure you also update the firmware of the m34 dongle using the shortcut that was created: "Gigaset M34 USB - Firmware Update".
- make sure you are running the latest version of Skype. If you get a message from Skype asking if the gigaset software (might be labelled as "SKYPECLIENT.EXE from Siemens AG") is allowed to connect to Skype - answer yes/always.
- in the Skype options go to Sound Devices, uncheck "Let Skype adjust my sound device settings" and set Audio In, Audio Out and Ringing to "Cordless Audio Interface".
- run the M34 software, called "Gigaset M34 Software" under the Windows Start menu and:
* under M34 USB / Configuration: set name to Skype, register with your base station (probably already been done as part of the installation).
* under Skype menu: select the option "Display the entry Skype in the handset menu". Under "selected handsets for incoming Voip calls" select "All".
Yes the Siemens software was giving many problems in the early days (a year and a half ago) but it's very stable now. Hope this helps.