PRETS 300 082 : JUL 90
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
INTEGRATED SERVICES DIGITAL NETWORK (ISDN); 3.1 kHz TELEPHONY TELESERVICE - END-TO-END COMPATIBILITY (T/TE 12-05)
23-07-2013
12-01-2013
Specifies the end-to-end protocol to support the 3.1 KHZ telephony teleservice when connected by the pan-European Integrated Services Digital Network (ISDN) as given by European public telecommunications operators. Applies to terminal equipment and other equipment supporting the 3.1 KHZ telephony teleservice.
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