| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add To Cart |
| GB/T 15941-2008 |
Requirements for Synchronous Digital hierarchy (SDH) Optical Fiber Cable Line Systems |
 (USD) |
via email in
1-8 business day
|
VALID
|
|
| YD/T 1904-2009 |
Test Specification for Anti-Spam Email Equipment |
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| GB/T 12171-1990 |
Specification for TDM/FDM60-channel transmultiplexing equipments used in the telecommunication network |
 (USD) |
via email in
1-5 business day
|
|
|
| GB/T 15838-1995 |
Measuring methods for the performances of switching equipment clocks in digital synchronous network |
|
via email in
1-3 business day
|
ABOLISHED
|
please email coc@codeofchina.com for quotation
|
| SJ/T 11316-2005 |
Home network system architecture and reference model |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 6879-1995 |
Performance and test methods of the 30 channels pulse code modulation multiplex equipment at 2048 kbit/s |
|
via email in
1-3 business day
|
VALID
|
please email coc@codeofchina.com for quotation
|
| YD/T 1138-2006 |
Electromagnetic Compatibility Requirement and Measurement Methods for Fixed Radio Links and Ancillary Equipment |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| 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 1141-2007 |
Testing Specification for Giga Bit Ethernet LAN Switch |
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| GB/T 21643-2008 |
IP Authentication Header |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| SJ 20967-2007 |
Subsystem interoperability of the digital message transfer device |
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| GB/T 16521-1996 |
General arrangements for interworking between packet switched public data networks (PSPDN) and circuit switched public data networks (CSPDN) for the provision of data transmission services |
 (USD) |
via email in
1 business day
|
ABOLISHED
|
|
| YD/T 1939.2-2009 |
Technical Requirements for Parlay API Mapping Part 2:Parlay API to Mobile Application Part (MAP) and CAMEL Application Part (CAP) for 900/1800 MHz TDMA Digital Cellular Mobile Telecommunication Network Mapping |
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| GB/T 14133-1993 |
The transmission performance objectives for mixed analogue-digital public telephone automatic switching network |
|
via email in
1-3 business day
|
ABOLISHED
|
please email coc@codeofchina.com for quotation
|
| YD/T 1455-2006 |
IPv6 Network Equipment Testing Methods for Core Router Supporting IPv6 |
 (USD) |
via email in
1-10 business day
|
ABOLISHED
|
|
| GB/T 11591-1999 |
Packet assembly/disassembly facility (PAD)in a public data network |
 (USD) |
via email in
1 business day
|
SUPERSEDED
|
|
| YD/T 1387.1-2005 |
Testing methods of IP trunk media gateway |
 (USD) |
via email in
1-10 business day
|
VALID
|
|
| SJ 20968-2007 |
General specification for military sonar data-recording equipment |
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| YD/T 1823-2008 |
General Techincal Requirements for IPTV Service System |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 13127-1991 |
Specifications for interworking of chinese ideogram teletex on public telecommunication networks-The terminal equipment |
 (USD) |
via email in
1-3 business day
|
|
|
|
|
