I am thrilled with this phone. I am satisfied with the voice quality and the establishment was completed in less than 5 minutes. On the display you recognize at a glance what settings have been made to the Fritz! Box (AB, call forwarding, etc) and missed calls are signaled by a look at the phone. So far I had no disconnections, and the phone does the job.
At times it seems as if the phone was hung up. This has happened so far 2 times. A short removing the battery then helped but. The phone was the Fritz! Box automatically and all settings were again available.