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| International Standard Category: Data communication networks |
GB/T 11589-1999 International user classes of service in，and categories of access to，public data networks and integrated services digital networks （ISDNs）
公用数据网和综合业务数字网(ISDN)的国际用户业务类别和接入种类 ;
| Category No.: | 33.040.40 | Valid Status: | superseded |
| Issued Organization: | China State Bureau of Quality and Technical Supervision | Issued Date: | 1999-08-02 |
| Implemented Date: | 2000-3-1 | Abolished Date: | |
| Superseded Standard.: | GB/T 11589-2011 International user classes of service in,and categories of access to,public data networks and integrated services digital networks(ISDNs) |
Superseded Date: | 2011-11-1 |
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