AIOD leads

AIOD leads are Terminal equipment leads used solely to transmit automatic identified outward dialing (AIOD) data from a PBX to the public switched telephone network or to switched service networks ("e.g.," EPSCS), so that a vendor can provide a detailed monthly bill identifying long distance usage by individual PBX stations, tie trunks, or the attendant.cite book|last=Petersen|first=Julie K. |title=Fiber Optics Illustrated Dictionary|publisher=CRC Press|date=2002-12-26|pages=86|isbn=978-0849313493|url=http://books.google.com/books?id=AcGFlqSqNEUC&pg=PA86&dq=%22AIOD+leads%22&ei=BPVMSNKcM7a2iQHl9um3Bg&sig=B6GizSVc2-bOeTae0HqwkkC89VQ|accessdate=2008-06-09] It resembles common channel signalling in that the AIOD leads provide data for all trunks, but is used only for billing, thus resembling automatic number identification.

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