Since December 2012, I own a Opis GSM desk phone and use this every day. By using the thumbwheel I procure myself in stressful times for a few seconds rest, which my concentration on the upcoming conversation very supportive. The to be accelerated by nothing operation of rotating and biding (to the disc in the initial position again) also helps very, quite occasionally get existing emotions back under control and to perform the subsequent conversation targeted. The handset fits perfectly in your hand and is also large enough to pinch him sometimes between your ear and shoulder, when you have to look at some documents, for example. The voice quality is excellent on both sides. About the dial next to the store numbers and operating parameters such as the handset volume - and it may (a nice feature) and the local code are stored, so that the unsuspecting visitor gets the impression that this was a corded landline phone. But the faces are worth seeing again and again, if one solves all cables (= power cord) and - without interrupting the conversation - you change the phone in another room. Extremely pleasant to use in areas where mobile phones are usually frowned upon, for example, is the case of hospitalization. For me is very pleasant the mechanical ringtone. He interferes far less than the "noise" of the usual mobile phones, but is nevertheless distinct and clear even over several rooms audible. Since the broadcasting equipment is not installed in the handset, and no radiation occurs at the ear. While this may not be relevant for many people because many studies so far are of the opinion that the radiation was not harmful - but if you can avoid certain influences that is under warranty always a winner - who knows what studies in the coming years to find out. I recommend this unit to anyone who wants enjoy a conscious effort to establish a communication with someone who can only be reached by telephone. I feel this is an increase my quality of communication, especially the fact that I myself have to actively participate in building / Selection of communication. It's nice that there is such a thing !!!
