ETSI ETS 300 661-2
- Broadband Integrated Services Digital Network (B-ISDN); Digital Subscriber Signalling System No. two (DSS2) protocol; Direct Dialling In (DDI) supplementary service; Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification
- standard by European Telecommunications Standards Institute, 07/01/1997
- Publisher: ETSI
$11.00$21.51
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