The choice of the method of access to an outgoing international exchange from the national network is a purely national matter. Nevertheless, if an international connection is set up by automatic switching from an exchange other than the international exchange which is the outgoing point of the international circuit used, arrangements should be made in the national network to transmit over the international circuit at least the signals required to ensure the satisfactory setting-up, control and clearing-down of the international connection.
ITU-T Q.26 SPANISH-1988由国际电信联盟 IX-ITU 发布于 1988。
ITU-T Q.26 SPANISH-1988 在中国标准分类中归属于: M19 通信网设备互通技术要求和通信网接口。
* 在 ITU-T Q.26 SPANISH-1988 发布之后有更新,请注意新发布标准的变化。
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