VALID TO BE VALID SUPERSEDED TO BE SUPERSEDED ABOLISHED TO BE ABOLISHED
Standard No. Title Translation Price Delivery Status Add To Cart
YD/T 1473-2006 Technical Requirements of V5.2 User Adaptation Layer 270 (USD) via email in 1-3 business day VALID
YD/T 935-1997 TMN logical layered architecture 150 (USD) via email in 1-3 business day VALID
YD/T 1472-2006 Technical Requirements for Adaptation Layer of ISDN Signalling Interworking with IP 660 (USD) via email in 1-5 business day VALID
YD/T 1420-2005 Technical requirements for jitter and wander in digital networks based on 2048kbit/s hierarchy 525 (USD) via email in 1-5 business day VALID
YD/T 1660-2007 Technical Specification and Testing Methods for NT1+ Plus Equipment via email in VALID please email coc@codeofchina.com for quotation