- 杳无音信 yǎowúyīnxìn unheard-fromto have no news whatever
- 渺无音信 miǎowúyīnxìn no newsTo receive no news or information whatsoever about someone.
- 语音信号 yǔyīnxìnhào voice signal
- 语音信箱 yǔyīnxìnxiāng voicemailan electronic system or storage space for recorded voice messages left by telephone callers