DIN ETS 300666-2 : 1997 Title: Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2) protocol; Connected Line Identification Restriction (COLR) supplementary service - Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification; English version ETS 300666-2:1996 Year: 1997 Publisher: DIN Media GmbH Availability: Within 1-2 working days