ITU-T Q.108-1989
国际电路的单向或双向工作

One-Way or Both-Way Operation of International Circuits - General Recommendations on Telephone Switching and Signalling - Functions and Information Flows for Services in the ISDN - Supplements (Study Group XI) 1 pp


ITU-T Q.108-1989 发布历史

In order to have as simple as possible equipment in international exchanges anc. to avoid Lmble seizures, System No. 4 has been designed in 1949-1954 for one-way operation of international circuits in semi-automatic and automatic working.

ITU-T Q.108-1989由国际电信联盟 IX-ITU 发布于 1989-01-01。

ITU-T Q.108-1989 在中国标准分类中归属于: M11 通信网技术体制。

ITU-T Q.108-1989的历代版本如下:

 

 

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标准号
ITU-T Q.108-1989
发布日期
1989年01月01日
实施日期
废止日期
中国标准分类号
M11
发布单位
IX-ITU
适用范围
In order to have as simple as possible equipment in international exchanges anc. to avoid Lmble seizures, System No. 4 has been designed in 1949-1954 for one-way operation of international circuits in semi-automatic and automatic working.




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