补充业务 meaning in English
ss supplementary services
supplementary service (of gsm)
Examples
- Call forwarding on mobile subscriber not reachable cfnrc
不可及前转补充业务 - Connected line identification presentation colp
被叫号码显示补充业务 - Connected line identification restriction colr
被叫号码限制补充业务 - Call forwarding on no reply cfnry
无应答前转补充业务 - Interlock code cug ss ic
闭锁码闭合用户群补充业务