Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add to Cart |
GB/T 5444-1985 |
The test methods for the technical specifications of subscriber line signalling for automatic telephone switching network |
$244.00 |
via email in 1~3 business day |
valid,,1986-6-1 |
|
GB/T 9540-1988 |
Wideband modem for synchronous data transmission at a data signalling rate higher than 72 kbit/s using 60~108kHz group band circuits |
$380.00 |
via email in 1~3 business day |
abolished2005-10-14,,1989-2-1 |
|
SL 417-2007 |
Automatic telephone number for telephone network of water resources |
$180.00 |
via email in 1~3 business day |
superseded,2016-10-22,2008-2-26 |
|
YD/T 1296-2003 |
Technical specification for public IP voice switch |
$390.00 |
via email in 1~3 business day |
valid,,2003-12-30 |
|
YD/T 1304-2004 |
Test specification for national No.7 signalling system - Message Transfer Part (MTP)and Telephone User Part (TUP) |
$4350.00 |
via email in 1~3 business day |
valid,,2004-2-9 |
|
YD/T 1309-2004 |
Bearer independent call bearer control specification |
$1500.00 |
via email in 1~3 business day |
valid,,2004-2-9 |
|
YD/T 1449.1-2006 |
Equipment Technical Requirements for Broadband Customer Network Based on Telecommunication Network Part 1:Gateway |
$340.00 |
via email in 1~5 business day |
superseded,2011-1-1,2007-1-1 |
|
YD/T 1522.31-2009 |
Technical Requirements for Session Initiation Protocol Part 3 Interworking between ISUP and SIP-Supplement 1 |
$180.00 |
via email in 1~3 business day |
valid,,2009-9-1 |
|
YD/T 1522.4-2009 |
Technical Requirements for Session Initiation Protocol Part 4 SIPs Applications about call control Based on Softswitch Network |
$340.00 |
via email in 1~3 business day |
valid,,2009-9-1 |
|
YD/T 1662-2007 |
Testing Methods for National No.7 Signalling System——GSM Mobile Telephone User Part (MTUP) |
$1050.00 |
via email in 1~3 business day |
valid,,2007-12-1 |
|
YD/T 1663-2007 |
Testing Methods for Bearer Independent Call Control |
$1020.00 |
via email in 1~3 business day |
valid,,2007-12-1 |
|
YD/T 1684-2007 |
Technical Requirements and Testing Methods for the Billing of the Digital Cellular Mobile Telecommunication Network Point to Point Short Message Service |
$270.00 |
via email in 1~3 business day |
superseded,2015-7-14,2008-1-1 |
|
YD/T 1918-2009 |
Test Methods for the Adaptation Layer of ISDN Signalling Interworking with IP |
$750.00 |
via email in 1~3 business day |
valid,,2009-9-1 |
|
YD/T 1919-2009 |
Test Methods for V5.2 User Adaptation Layer |
$180.00 |
via email in 1~3 business day |
valid,,2009-9-1 |
|
YD/T 1936-2009 |
Technical Requirements for Session Description Protocol |
$480.00 |
via email in 1~3 business day |
valid,,2009-9-1 |
|
YD/T 1938.1-2009 |
Test method for Session Initiation Protocol (SIP) Part 1:Basic Session Initiation Protocol |
$4470.00 |
via email in 1~3 business day |
valid,,2009-9-1 |
|
YD/T 1938.2-2009 |
Test method for Session Initiation Protocol (SIP) Part 2:SIPs Applications about Call Control Basedon Softswitch Network |
$780.00 |
via email in 1~3 business day |
valid,,2009-9-1 |
|
YD/T 2042-2009 |
IPv6 network equipment security requirements——Ethernet switch with routing capability |
$240.00 |
via email in 1~3 business day |
valid,,2010-1-1 |
|
YD/T 4158-2022 |
Technical requirements of network interworking for number portability |
$330.00 |
via email in 1~5 business day |
valid,,2023-1-1 |
|
YD/T 4161-2022 |
User Interface and Procedure Requirements for Number Portability |
$300.00 |
via email in 1~5 business day |
valid,,2023-1-1 |
|
* Related standard quantity: * Page quantity: *
Current: * First
Previous
[1][2][3]
Next
End
* Related standard quantity: * Page quantity: *
Current: * First
Previous
[1][2][3]
Next
End
|