File:PSTN office classification hierarchy.svg

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PSTN_office_classification_hierarchy.svg‎ (SVG file, nominally 720 × 720 pixels, file size: 31 KB)

[edit] Summary

Description

U.S. PSTN telephone switch hierarchy.
Date

18 August 2007(2007-08-18)
Source

Self-made in Inkscape, based on a diagram in enwp (en:Image:PSTN office classification hierarchy.png).
Author

Mysid
Permission
(Reusing this image)

See below.

[edit] Licensing

Public domain I, the copyright holder of this work, hereby release it into the public domain. This applies worldwide.

In case this is not legally possible:
I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

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File history

Click on a date/time to view the file as it appeared at that time.

Date/TimeThumbnailDimensionsUserComment
current10:08, 18 August 2007Thumbnail for version as of 10:08, 18 August 2007720×720 (31 KB)Mysid (Talk | contribs) (minor)
10:05, 18 August 2007Thumbnail for version as of 10:05, 18 August 2007720×720 (31 KB)Mysid (Talk | contribs) ({{Information |Description=U.S. w:PSTN telephone switch hierarchy. |Source=Self-made in Inkscape, based on a diagram in enwp (en:Image:PSTN office classification hierarchy.png). |Date=August 18, 2007 |Author= Mysid }} [[Category:P)

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