DIN ETS 300649 : 1997
DIN ETS 300649 : 19971472718
DIN ETS 300649 : 1997
Title: Public Switched Telephone Network (PSTN) - Calling Line Identification Restriction (CLIR) supplementary service - Service description; English version ETS 300649:1997
Year: 1997
Publisher: DIN Media GmbH
Availability: Within 1-2 working days
Title: Public Switched Telephone Network (PSTN) - Calling Line Identification Restriction (CLIR) supplementary service - Service description; English version ETS 300649:1997
Year: 1997
Publisher: DIN Media GmbH
Availability: Within 1-2 working days
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