OIP Ready 312 GPO 'Call Exchange' Bakelite Telephone- for all domestic VoIP services.
Supplied with our own inDAT Pulse to Tone converter to give you tone dialling and, if you require, 'Star', 'Hash', 'Last Number Redial' and up to seven stored numbers. These options are switchable so the telephone can quickly be customised to your needs.
Developed with Geoff Peters, the inDAT is an internal pulse to tone converter that is near silent in operation. It is designed to function on traditional copper telephone lines, all domestic VoIP lines (BT Digital Voice, EE, Sky etc) and external ATA's. It is not suitable for use on Digital Business lines without an external ATA.
About the telephone
This is a lovely example of a British Bakelite 312 'Call Exchange' introduced by the GPO in 1949 and used on 'Shared Service' or 'Party' lines. The telephone is in first class working order and the case has a nice sheen. It also has a fully serviced No.12 dial with an alphanumeric dial plate. The handset is marked 1958 (164 58). All cords have been replaced with my own, UK manufactured, pure Egyptian cotton braided cords correctly terminated with cotton ties.
It comes complete with our own high quality reproduction paper furniture. The dial label can be customised with an area and telephone number of your choice.
Our full, top-quality restoration includes:
- Our own brand-new best quality cotton braided line and handset cords
- High quality correctly fitting replacement transmitter unit
- Fully serviced dial set with professional test equipment
- Quality replacement furniture
- Mechanically polished case
- Quality replacement feet
Restoration Details:
•Handsets and cases are stripped of their components and thoroughly cleaned.
•Cases are polished, both mechanically and by hand. It has taken me many years to perfect this technique and it will return the case to the best possible condition. Polishing by hand alone will not achieve the best results.
•All contacts are cleaned, set and polished.
•Dials are stripped, cleaned, inspected, lubricated and rebuilt. This includes the removal and cleaning of the governor, governor cup and main bearing. The contacts are set and the dial speed and MK /BK ratio set. This is an essential part of making a telephone work properly.
•Bell coils are set and any necessary adjustment made so their resistance is suitable for modern networks.
•A new line cord is fitted and the telephone is reassembled with the appropriate wiring alterations made to allow it to function on a pulse dialling system.
•Mouthpiece are fitted with a modern electronic transmitter to provide high quality speech.
•Finally, telephones are tested on a live line to ensure they are working correctly and a custom dial label is fitted.
