ETSI TS 101 818-1

Integrated Services Digital Network (ISDN); Digital Subscriber Signalling System No. one (DSS1); Trunk Hunting (TH) supplementary service; Part 1: Protocol specification Edition: 1.1.1
European Telecommunications Standards Institute / 01-Jul-2000 / 23 pages

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The Trunk Hunting supplementary service enables calls to an ISDN number assigned to the private ISDN (hunt group number) to be offered to a free access within that hunt group of accesses.