Cart 0 Product Products (empty)
No products
To be determined Shipping
$0.00 Total
Product successfully added to your shopping cart
Quantity
Total
There are 0 items in your cart. There is 1 item in your cart.
Total products
Total shipping To be determined
Total
New Reduced price! 
View larger
View larger 
ETSI EN 300 188-4
M00001196
New product
ETSI EN 300 188-4 Integrated Services Digital Network (ISDN); Digital Subscriber Signalling System No. one (DSS1) protocol; Three-Party (3PTY) supplementary service; Part 4: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the user
standard by European Telecommunications Standards Institute, 04/01/2002
In stock
More info
Full Description
The present document specifies the Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Informationfor Testing (PIXIT) proforma for the User side of the T reference point or coincident S and T reference point (asdefined in ITU-T Recommendation I.411 [11]) of implementations conforming to the stage three standard for the ThreeParty (3PTY) supplementary service for the pan-European Integrated Services Digital Network (ISDN) by means of theDigital Subscriber Signalling System No. one (DSS1) protocol, EN 300 188-1 [2].EN 300 188-3 [4] specifies the Test Suite Structure and Test Purposes (TSS