文件名称:Numbering plan E.212
文件大小:133KB
文件格式:DOC
更新时间:2013-05-18 05:14:38
ITU-T Telecommunication Standardization
TELEPHONE NETWORK AND ISDN OPERATION, NUMBERING, ROUTING AND MOBILE SERVICE
文件名称:Numbering plan E.212
文件大小:133KB
文件格式:DOC
更新时间:2013-05-18 05:14:38
ITU-T Telecommunication Standardization
TELEPHONE NETWORK AND ISDN OPERATION, NUMBERING, ROUTING AND MOBILE SERVICE