File:Screenshot-DTMF-relay-schemes.jpg

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Screenshot-DTMF-relay-schemes.jpg ‎(641 × 129 pixels, file size: 26 KB, MIME type: image/jpeg)

Screenshot showing DTMF relay schemes

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	10:43, 14 July 2009		641 × 129 (26 KB)	Ktrueman (talk \| contribs)	Screenshot showing DTMF relay schemes

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Orientation	Normal
File change date and time	10:43, 14 July 2009
Unique image ID	9E05C4959185485589B890A6C8322CC7
Software used	Microsoft Windows Photo Gallery 6.0.6001.18000