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custom local area signaling services
IT	定制本地信令业务
telecom.	特色本地信号服务利用 No.7信令进行的特种服务，如自动回叫，主叫号码显示,选择拒呼等
custom local area signaling service
telecom.	特色本地信号服务利用 No.7 信令进行的特种服务，如自动回叫，主叫号码显示,选择拒呼等
English thesaurus
Custom Local Area Signaling Services
abbr., IT	CLASS
Custom Local Area Signaling Service
abbr., tel.	CLASS
IT, abbr.	CLASS (Telephony)
Custom Local Area Signaling Services
telecom., abbr.	CLASS (Bellcore)
Custom Local-Area Signaling Services
IT, abbr.	CLASS