ITU-T Recommendation T.30(2005 09) SERIES T: TERMINALS FOR TELEMATIC SERVICES Procedures for document facsimile transmission in the general switched telephone network-ITU-T Recommendation 7-9-2 (2005 09) SERIE S T : TERMINALS FOR TELEMATIC SERVIC

这是itu 关于传真的系列文档，包括t4,t30,t38,v29,v27,v17,v21等-itu This is a series of fax documents, including T3 and T4, t30 and t38, v29, v27, v17, v21, etc.

LTE--A最新标准913系列，对于研究LTE-A系统非常有用-LTE- A New Standard 913 series, for the study of LTE-A system is useful