YD通讯标准 - 第 147

YDC 048-2007 电话号码映射(ENUM)总体技术要求

YDC 048-2007.Overall Technical Specification for ENUM. 1范围 YDC 048文件规定了在网络中提供ENUM功能的网络体系架构、编号要求、选路要求...

10月06日

YDC 063-2007.Technical Requirement of TD-SCDMA/GSM (GPRS) Dual Mode Digital Mobile Station. 1范围 YDC ...

10月06日

YDC 015-2003.Technical Specification of Mobile Station (MS) for 800MHz CDMA 1X Digital Cellular Mobi...

10月06日

YDC 023-2006.Test Specification of Mobile Station ( including Non UIM Mobile Station ) for 800MHz CD...

10月06日

YDC 024-2006.Test Specification of Mobile Station( including Non UIM Mobile Station) for 800MHz CDMA...

10月06日

YDC 028-2003.Test Specification for A 10/A11 Interface in 800MHz CDMA 1X Digital Cellular Mobile Com...

10月06日

YDC 029-2003.Low and High Frequency EMC Mitigation Techniques for Telecommunication and Systems. 1. ...

10月06日

YD 5153-2007.Interim Provision on Fixed Softswitch Network Engineering Design. 1总则 1.0.1YD 5153规定适用于...

10月06日

YD 5158-2007.Provisional Specification of Engineering Design for Mobile Multimedia Messaging Service...

10月06日

YDC 002-2001.Technical requ irements and testing methods for CPN providing public telecommunication ...

10月06日