TR TSY 000674 : ISSUE 1 REV 1
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
SPECIAL INFORMATION TONES, FSD 20-06-0500
30-06-2000
12-01-2013
Describes the Special Information Tones (SITs) used to identify network-provided announcements. This revision deletes the text regarding the requirement for recorded announcement speech level and the method of measurement and directs the reader to Expanded Announcement System, FSD 20-06-0600, TR-TSY-000675, Revision 1, May 1991. TR-TSY-000674 is a module of the LATA Switching Systems Generic Requirements (LSSGR), FR NWT-000064.
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