0:08
Please enable Javscript
Mobile phone 4X key tones as heard through hands-free car kit
Please enable Javscript
0:01
Please enable Javscript
Long single key tone as mobile phone switched off.
Please enable Javscript
0:01
Please enable Javscript
Single mobile phone key tone
Please enable Javscript
0:01
Please enable Javscript
Single mobile phone key tone
Please enable Javscript
0:03
Please enable Javscript
Several different mobile phone key tones
Please enable Javscript
0:01
Please enable Javscript
Single mobile phone key tone
Please enable Javscript