EIA-464-1 › Historical Revision Information
Private Branch Exchange (Pbx) Switching Equipment for Voiceband Applications (Addendum

EIA-464-1 - REVISION A - SUPERSEDED -- See the following: EIA-464
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Private Branch Exchange (Pbx) Switching Equipment for Voiceband Applications (Addendum


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Document Number

EIA-464-1

Revision Level

REVISION A

Status

Superseded

Publication Date

Feb. 21, 1992

Page Count

40 pages