| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add to Cart |
| GA 330-2001 |
Transmission technology protocol of alarm for 351 MHz |
$224.00 |
via email in 1~3 business day |
valid,,2001-12-1 |
|
| GB 3376-1982 |
Inband pulsing single frequency line signalling system for telephone automatic switching network |
$224.00 |
via email in 1~3 business day |
valid,,1983-10-1 |
|
| GB 3377-1982 |
Multi frequency register signalling system for telephone antomatic switching network |
$270.00 |
via email in 1~3 business day |
valid,,1983-10-1 |
|
| GB 3379-1982 |
Interoffice direct signalling system for telephone automatic switching network |
$570.00 |
via email in 1~5 business day |
abolished2005-10-14 ,,1983-10-1 |
|
| GB 3380-1982 |
Ringing and tone for telephone automatic switching network |
$90.00 |
via email in 1~3 business day |
valid,,1983-10-1 |
|
| GB 3971.2-1983 |
Interoffice junction digital line signalling system for telephone automatic switching network |
$150.00 |
via email in 1~3 business day |
valid,,1984-10-1 |
|
| GB/T 14733.4-2012 |
Terminology for telecommunication switching and signalling in telecommunication |
$870.00 |
via email in 1~3 business day |
valid,,2013-2-1 |
|
| GB/T 15409-1994 |
Frame structure for synchronous digital hierarchy signal |
$264.00 |
via email in 1~3 business day |
abolished2009-05-01,2009-5-1,1995-8-1 |
|
| GB/T 15838-2008 |
Test methods for the performances of switching equipment clocks in digital network |
$420.00 |
via email in 1~5 business day |
valid,,2009-4-1 |
|
| GB/T 28500-2012 |
Technical requirements of 900/1 800 MHz TDMA digital cellular mobile network signaling system No.7 ISUP |
$1740.00 |
via email in 1~3 business day |
valid,,2012-10-1 |
|
| GB/T 28502-2012 |
Technical requirement of interworking between No.7 signalling and IP |
$600.00 |
via email in 1~3 business day |
valid,,2012-10-1 |
|
| GB/T 28503-2012 |
Technical requirements of adaptation layer of No.7 signalling interworking with IP MTP2 user adaptation layer |
$810.00 |
via email in 1~3 business day |
valid,,2012-10-1 |
|
| GB/T 28505-2012 |
Technical specification of national No.7 signalling system 2 Mbit/s high speed link |
$330.00 |
via email in 1~3 business day |
valid,,2012-10-1 |
|
| GB/T 28506-2012 |
Technical specification for national No.7 signalling system—GSM mobile telephone user part (MTUP) |
$990.00 |
via email in 1~3 business day |
valid,,2012-10-1 |
|
| GB/T 28510-2012 |
Technical specification of stream control transmission protocol |
$990.00 |
via email in 1~3 business day |
valid,,2012-10-1 |
|
| GB/T 28524-2012 |
Media Gateway Control Protocol(MGCP) |
$1260.00 |
via email in 1~8 business day |
valid,,2012-10-1 |
|
| GB/T 29198-2012 |
Technical requirements of adaptation layer of No.7 signalling interworking with IP—MTP2 peer-to-peer adaptation layer |
$480.00 |
via email in 1~3 business day |
valid,,2013-6-1 |
|
| GB/T 40657-2021 |
Public telecom network—Test methods for smart home application |
$630.00 |
via email in 1~5 business day |
valid,,2022-5-1 |
|
| GB/T 5442-1985 |
The test methods for the technical specifications of inband pulsing single frequency line signalling system for automatic telephone switching network |
$120.00 |
via email in 1~3 business day |
valid,,1986-6-1 |
|
| GB/T 5443-1985 |
The test methods for the technical specifications of ringing and tone for automatic telephone switching network |
$244.00 |
via email in 1~3 business day |
valid,,1986-6-1 |
|
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