YD/T 1290.2-2005.Technical requirements of peer to peer short message interworking between networks ...
YD通讯标准
YD通讯标准
YD通讯标准
YD/T 1290.2-2010 点对点短消息网间互通总体技术要求 第2部分:固定网与固定网之间互通
YD/T 1290.2-2010.Technical requirements of peer to peer short message interworking between networks ...