DIN ETS 300056/A1 : 1997
DIN ETS 300056/A1 : 19971472392
DIN ETS 300056/A1 : 1997
Title: Integrated Services Digital Network (ISDN) - Call Waiting (CW) supplementary service - Service description; English version ETS 300056:1991/A1:1996
Year: 1997
Publisher: DIN Media GmbH
Availability: Within 1-2 working days
Title: Integrated Services Digital Network (ISDN) - Call Waiting (CW) supplementary service - Service description; English version ETS 300056:1991/A1:1996
Year: 1997
Publisher: DIN Media GmbH
Availability: Within 1-2 working days
Browse by Standards
