AIOD leads (original) (raw)

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In land-line telephony, AIOD leads are Terminal equipment leads[_clarification needed_] 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 calling usage by individual PBX stations, tie trunks, or the attendant console.[1] 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.

1. ^ Petersen, Julie K. (2002-12-26). Fiber Optics Illustrated Dictionary. CRC Press. p. 86. ISBN 978-0-8493-1349-3. Retrieved 2008-06-09.