YD/T 1290.1-2003.General technical requirements of peer to peer short message interworking between n...
YD通讯标准
YD通讯标准
YD通讯标准
YD/T 1290.1-2010 点对点短消息网间互通总体技术要求 第1部分:固定网与移动网之间互通
YD/T 1290.1-2010.General technical requirements of peer to peer short message interworking between n...