Panasonic RR-830 Desktop Cassette Transcriber / Recorder "recording incoming calls" Questions

...recording. It depends on what kind of mobile phone you use.If your phone operates under Windows Mobile. you may try a software called WM Sound Recorder. It can record the both outgoing and incoming ...

High frequency squeeling We have had these 2 machines for years and never had a problem, now both of them have a high pitch squeeling noise when we are listening to the tapes, is there anything we can