Camp on tone off 预占音关闭
No Tone After Off-Hook 摘机后无音
No Dial Tone After Off-Hook 摘机后无拨号音
Dial Tone Continues After Off-Hook 摘机后拨号音不断
off hook tone 摘机音
Turning off dial tone waiting 正在关闭拨号音等待
Dial Off-Normal Tone 非正常拨号音
Receiver Off-Hook Tone 话筒接起音
应用推荐