Standard Number: YD/T 1406-2005(YD/T1406-2005)
Chinese:公用电信网间紧急特种业务呼叫的路由和技术实现要求
English:Requirements for routing and technical realization of emergency special service calls between public telecommunication networks
Effective Date:2005-12-01
Standard Applicability:
PDF Downloadable: N
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