| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add To Cart |
| YD/T 778-2006 |
Optical fiber distribution frames |
225 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| YD/T 1584.4-2007 |
Technical Specification for 2GHz Digital Cellular Mobile Communications Network Management General Part 4 CORBA based Interface Design |
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| YD/T 841.1-2008 |
Plastic Pipe for Buried Communication Conduit Part 1:General |
210 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| YD/T 1157-2001 |
The Transfer of Calling Party Number between Operators |
285 (USD) |
via email in
1-3 business day
|
VALID
|
|
| YD/T 1982-2009 |
Technical requirements for ISC/Ma interface in IMS system in mobile communication network |
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| YD/T 1424.2-2005 |
Technical requirements for digital cellular communication network equipment Service Switch Point(SSP)(CAMEL3)-PS domain part |
375 (USD) |
via email in
1-3 business day
|
VALID
|
|
| YDN 104-1999 |
|
915 (USD) |
via email in
1-8 business day
|
VALID
|
|
| YD/T 910.3-1997 |
900/1800 MHz TDMA Digital Cellular Mobile Telecommunication Network Technical Specification of Mobile Services Swiching Center-Base Station |
1245 (USD) |
via email in
1-10 business day
|
VALID
|
|
| YD/T 1638-2007 |
Technical Specification for IPv4 Networks and IPv6 Networks Inter-networking Between Networks |
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| YD/T 1639-2007 |
Security Specification and Testing Methods for the Short Message Centre Equipments and Short Message Gateway Equipments |
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| YD/T 657-1994 |
|
180 (USD) |
via email in
1-3 business day
|
|
|
| YD/T 2602-2013 |
Protocol for BNAS service backup |
700 (USD) |
via email in
1 business day
|
VALID
|
|
| YD/T 2561.2-2013 |
|
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| YD/T 863-1996 |
|
120 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| YD/T 728-1994 |
|
120 (USD) |
via email in
1-3 business day
|
|
|
| YD/T 2007-2009 |
Function and architecture for the Unified IMS |
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| YDN 039-1997 |
Test Specifications for Transaction Capability Part in National NO.7 Signaling Mode |
4320 (USD) |
via email in
1 business day
|
VALID
|
|
| YD/T 1141-2007 |
Testing Specification for Giga Bit Ethernet LAN Switch |
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| YD/T 702-1993 |
|
195 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| YD/T 1220-2002 |
800MHz CDMA digital cellular mobile communication network protocol technical specification for the interface of Extended Short Message Entities(ESMEs)and Message Centres(MCs) |
1110 (USD) |
via email in
1-8 business day
|
VALID
|
|
|
|
