ETSI - EN 300 055-2
Integrated Services Digital Network (ISDN); Terminal Portability (TP) Supplementary Service; Digital Subscriber Signalling System No.One (DSS1) Protocol; Part 2: Protocol Implementation Conformance Statement (PICS) Proforma Specification
|Publication Date:||1 February 1998|
his second part of EN 300 055 is applicable to the stage three of the Terminal Portability (TP) supplementary service for the pan-European Integrated Services Digital Network (ISDN) as provided by European public telecommunications operators at the T reference point or coincident S and T reference point (as defined in ITU-T Recommendation I.411 ) by means of the Digital Subscriber Signalling System No. one (DSS1) protocol. Stage three identifies the protocol procedures and switching functions needed to support a telecommunications service (see CCITT Recommendation I.130 ).
The present document provides the Protocol Implementation Conformance Statement (PICS) proforma for the ISDN DSS1 TP supplementary service protocol as specified in EN 300 055-1  in compliance with the relevant requirements and in accordance with the relevant guidance given in ISO/IEC 9646-7 .
The supplier of a protocol implementation which is claimed to conform to EN 300 055-1  is required to complete a copy of the PICS proforma provided in annex A of the present document and is required to provide the information necessary to identify both the supplier and the implementation.