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ETSI EN 301 061-5

Integrated Services Digital Network (ISDN); Digital Subscriber Signalling System No. one (DSS1) protocol; Generic functional protocol for the support of supplementary services at the b service entry point for Virtual Private Network (VPN) applications; Pa
standard by European Telecommunications Standards Institute, 10/01/1998
Publisher: ETSI

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Test specification for DE/SPS-05110-1

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