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ETSI ETR 131

Terminal Equipment (TE); An investigation into the need for standardization in the area of stored voice services
standard by European Telecommunications Standards Institute, 06/01/1994
Publisher: ETSI

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To study the need for standardising an audiotex service and to identify area(s) where standards have to be developed.

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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