PRETS 300 659-1 : DEC 96
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
PUBLIC SWITCHED TELEPHONE NETWORK (PSTN) - SUBSCRIBER LINE PROTOCOL OVER THE LOCAL LOOP FOR DISPLAY (AND RELATED) SERVICES - ON HOOK DATA TRANSMISSION
28-02-1997
12-01-2013
Describes protocol for on hook data transmission on analogue lines required to support such display services as Calling Line Identification Presentation for the PSTN
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