The processing is for the price ok. However, the handset does not correspond to the current state of technology. The pressure points of the buttons are well. Also log on to Fritz boxes works very well. Operation is intuitive. Unfortunately, the volume of the handset speaker is too quiet. Even when switching the hearing aid to T-coil gain is clearly too low and therefore not really suitable for hard of hearing. Therefore, I can not recommend this handset for hearing impaired people.