gkalz3 years ago000My Fritzfon C6 has disconnections.according to AVM it could be the battery.is it covered under warranty?Show in original language (German)ihajicek3 years ago000I have no such experience, everything works.Show in original language (German)CommentLocherrunkel3 years ago000I do not know the problem. The C6 works perfectly.Show in original language (German)Comment