MAKE A MEME View Large Image DTMF keypad layout.svg en DTMF keypad layout nl DTMF toetsindeling DTMF_keypad_layout png 2011-04-16 13 11 UTC DTMF_keypad_layout png Jaho derivative work Malyszkz <span class signature-talk >talk</span> Zwektoryzowano Krzysztof ...
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Keywords: DTMF keypad layout.svg en DTMF keypad layout nl DTMF toetsindeling DTMF_keypad_layout png 2011-04-16 13 11 UTC DTMF_keypad_layout png Jaho derivative work Malyszkz <span class signature-talk >talk</span> Zwektoryzowano Krzysztof Zajączkowski malyszkz DTMF_keypad_layout png nl DTMF toetsindeling own Jaho 2010-03-28 Telephony</nowiki> Uploaded with derivativeFX Dual-tone multi-frequency signaling Telephone diagrams
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