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ETSI ETR 158

Network Aspects (NA); European numbering initiatives; Background and strategic directions
standard by European Telecommunications Standards Institute, 04/01/1995
Publisher: ETSI

$13.00$25.50

Outlines the history of European Numbering and studies alternative solutions and implications of a European Telephony Numbering Space.

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Integrated Services Digital Network (ISDN); Signalling System No.7 (SS7); ISDN User Part (ISUP) vers..

$7.00 $14.00

Integrated Services Digital Network (ISDN); Signalling System No.7 (SS7); ISDN User Part (ISUP) vers..

$7.00 $14.00