PRETS 300283 : DEC 92
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
BUSINESS TELECOMMUNICATIONS (BT); PLANNING OF LOUDNESS RATING AND ECHO VALUES FOR PRIVATE NETWORKS DIGITALLY CONNECTED TO THE PUBLIC NETWORK
01-04-1994
12-01-2013
Relates to Private Branch Networks (PBNs) with a digital access to the ISDN/PSTN with a fully 4-wire call path between the Network Connection Point (NCP) and International Switching Centre (ISC). Applies to call paths between the NCP and the terminal in the PBN that sets up or answers the call. Does not contain a compliance test specification. Quotes limits that will ensure satisfactory echo and loudness performance. Does not apply to configurations where a part of the transmission path between the terminal and the public network contains a segment that incorporates a mobile radio or cordless radio transmission link.
Committee |
BT 2
|
DocumentType |
Draft
|
PublisherName |
European Telecommunications Standards Institute
|
Status |
Superseded
|
SupersededBy |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.