ITU Q.2962 F:2000
ITU Q.2962 F:2000 Digital Subscriber Signalling System No. 2 - Connection Characteristics Negotiation During Call/connection Establishment Phase: Abstract Test Suite (ats) And Partial Protocol Implementation Extra Information For Testing (pixit) Proforma For The Network Specifies the Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma for the network at the T[B] reference point or coincident S[B] and T[B] refer