Annex B provides information on network identification, service parameters, calling/connected line identity, dialling procedures and addressing for geographic-based ISDN calls.
附件B提供了网络识别，业务参数，呼叫/连接线路识别，拨号程序和基于地理的ISDN呼叫的寻址的信息。
Annex B provides information on network identification, service parameters, calling/connected line identity, dialling procedures and addressing for geographic-based ISDN calls.
附件B提供了网络识别，业务参数，呼叫/连接线路识别，拨号程序和基于地理的ISDN呼叫的寻址的信息。
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