Recently I was gifted a T65 rotary telephone. This was **the** standard telephone in The Netherlands in the seventies and eighties. I remember my parents having one as well. Because this phone does not use DTMF but pulse dialing it does not work with modern equipment, like the built in telephony / voip server on my FritzBox router. Using a hardware converter it is possible to convert pulse dialing to DTMF and to use your rotary phone again. This page covers two such devices, the DialGizmo and...