ITU-T I.231.1-1988
电路方式承载业务类别:电路方式多速率不受限8kHz结构承载业务

CIRCUIT-MODE BEARER SERVICE CATEGORIES – CIRCUIT-MODE 64 kbit/s UNRESTRICTED, 8 kHz STRUCTURED BEARER SERVICE

标准号

ITU-T I.231.1-1988

发布日期

1988年

实施日期

废止日期

无

中国标准分类号

M57

发布单位

IX-ITU

适用范围

ITU-T Recommendation I.231.1 was published in Fascicle III.7 of the Blue Book. This file is an extract from the Blue Book. While the presentation and layout of the text might be slightly different from the Blue Book version,the contents of the file are identical to the Blue Book version and copyright conditions remain unchanged (see below).2 In this Recommendation,the expression “Administration” is used for conciseness to indicate both a telecommunication administration and a recognized operating agency.

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