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| Coin operated public telephone |
| Controller/supervisor for telephone network traffic |
| Converter of telephonic signals |
| Electric power demand meter |
| Hybrid public telephone-inductive/smart card/coin |
| Impulse generator for multi-measurement |
| Inductive card operated public telephone |
| Local battery telephone |
| Long distance ticket eliminator |
| Public cellular card telephone |
| Public phone supervision |
| Public telephone for deaf people |
| Public telephone smart card operated |
| Registry control system for trunk line center |
| Supervision/tariff system for telephone central station |
| Telephone terminal for deaf people |
| Telephonic terminal authenticator |
| Wll system for telephony and data |
