voice-over

n.

画外音；

复数：voice-overs

1. His voice is familiar as the narrator of hundreds of movie previews.
   因为作了数百部电影的旁白，他的声音为人所熟知。

Distributed edge switching system for voice-over-packet multiservice network
VoCCN:voice-over content-centric networks
SCIDIVE: A Stateful and Cross Protocol Intrusion Detection Architecture for Voice-over-IP Environments
Security Analysis of Voice-over-IP Protocols
Security Analysis of Voice-over-IP Protocols
Comparative analysis of traditional telephone and voice-over-Internet protocol (VoIP) systems
Steganography and steganalysis in voice-over IP scenarios: operational aspects and first experiences with a new steganalysis tool set
A multiplexing scheme for H.323 voice-over-IP applications
Voice-Over-IP Performance in UTRA Long Term Evolution Downlink.
Specification-Based Denial-of-Service Detection for SIP Voice-over-IP Networks