DIN ETS 300240:1993-12 Private Telecommunication Network (PTN); signalling at the S-reference point; generic feature key management protocol for the control of supplementary services; English version ETS 300240:1993

标准编号：DIN ETS 300240:1993-12

英文标题：Private Telecommunication Network (PTN); signalling at the S-reference point; generic feature key management protocol for the control of supplementary services; English version ETS 300240:1993

德文标题：Private Telekommunikationsnetze (PTN); Zeichengabe am Referenzpunkt S; Protokollgrundsätze für die Steuerung von Dienstmerkmalen über Funktionstasten; Englische Fassung ETS 300240:1993

发布日期：1993-12

DIN ETS 300240:1993-12 Private Telecommunication Network (PTN); signalling at the S-reference point; generic feature key management protocol for the control of supplementary services; English version ETS 300240:1993

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