| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add To Cart |
| YD/T 1918-2009 |
Test Methods for the Adaptation Layer of ISDN Signalling Interworking with IP |
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| GF 018-1995 |
|
210 (USD) |
via email in
1-3 business day
|
|
|
| GB 3377-1982 |
Multi frequency register signalling system for telephone antomatic switching network |
|
via email in
1-3 business day
|
VALID
|
please email coc@codeofchina.com for quotation
|
| GB 3971.2-1983 |
Interoffice junction digital line signalling system for telephone automatic switching network |
|
via email in
1-3 business day
|
|
please email coc@codeofchina.com for quotation
|
| YD/T 1239-2002 |
Access Network Technical Specifications-Very-high-speed Digital Subscriber Line |
2250 (USD) |
via email in
1-10 business day
|
|
|
| YD/T 1938.2-2009 |
Test method for Session Initiation Protocol (SIP) Part 2:SIPs Applications about Call Control Basedon Softswitch Network |
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| GB 3376-1982 |
Inband pulsing single frequency line signalling system for telephone automatic switching network |
|
via email in
1-3 business day
|
|
please email coc@codeofchina.com for quotation
|
| YD/T 1193.3-2002 |
Bearer independent call control specification-Part3:procedure of BICC |
1110 (USD) |
via email in
1-8 business day
|
VALID
|
|
| YD/T 1938.1-2009 |
Test method for Session Initiation Protocol (SIP) Part 1：Basic Session Initiation Protocol |
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| GB 3378-1982 |
Subscriber line signalling system for telephone automatic switching network |
|
via email in
1-3 business day
|
VALID
|
please email coc@codeofchina.com for quotation
|
| YD/T 958-1998 |
Digital subscriber signalling system No.1(DSS1)-signalling specification for frame mode basic call control |
915 (USD) |
via email in
1-8 business day
|
VALID
|
|
|
|
