Rare card
Telephone keypad
- Value
- 50 W
- Attack
- 274
- Defence
- 219
- Players
- 0
A telephone keypad is a keypad installed on a push-button telephone or similar telecommunication device for dialing a telephone number. It was standardized when the dual-tone multi-frequency signaling (DTMF) system was developed in the Bell System in the United States in the 1960s – this replaced…
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