信: letter; mail令: order; command; decree系统: system号信令系统: ccitt signaling system no信令系统: ss signaling system饱和信令系统: saturation signaling system多频信令系统: ssmf signaling system multi-frequency; ssmf signaling system, multi-frequency共路信令系统: ccss common channel signaling system; common channel signaling system no.ccsno国内信令系统: national signaling system七号信令系统: signaling system no. ss; signaling system no.（ss7） ss通道信令系统: css channel signaling system网间信令系统: internetwork signaling system信道信令系统: css channel signaling system音频信令系统: vfss voice frequency signaling system语音信令系统: vss voice signaling system公共信道信令系统: ccss common channel signaling system交换和信令系统: switching and signalling systems数字访问信令系统: dass digital access signaling system数字接入信令系统: digital access signaling system信令系统处理模块: signaling system processing module spm用户环路信令系统: subscriber loop signaling system用户局域信令系统: class custom local area signaling system交换机间临时信令系统: interim inter-switch protocol模拟专用网信令系统: analog private network signaling system (apnss)数字式私用联网信令系统: dpnss digital private networking signaling system
