Abstract Test Suite for Digital Subscriber Signalling System No. 1 (DSS 1) - Signalling Specification for Frame Mode Basic Call Control Conformance Testing for Permanent Virtual Connections (PVCs) (Annex A to Recommendation Q.933) - Digital Subscriber Sig
(WITHDRAWN)Abstract Test Suite for Digital Subscriber Signalling System No. 1 (DSS 1) - Signalling Specification for Frame Mode Basic Call Control Conformance Testing for Permanent Virtual Connections (PVCs) (Annex A to Recommendation Q.933) - Digital Su