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Overview SIST EN 301 919 V1.1.1:2005 defines the inter-exchange signalling protocol for the Private Integrated Services Network (PISN) to support the single step call transfer supplementary service.…
Overview - ISO/IEC 19460:2003 (Single Step Call Transfer, SS-SSCT) ISO/IEC 19460:2003 defines the inter‑exchange signalling protocol for the Single Step Call Transfer supplementary service (SS‑SSCT)…