PanLinx
English
eng-000
bell signal
普通话
cmn-000
振铃信号
普通话
cmn-000
铃声信号
English
eng-000
line signal
English
eng-000
ringdown signalling
English
eng-000
ringing
English
eng-000
ringing signal
русский
rus-000
звонковый сигнал
PanLex