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V.25

The V.25 interfaces are used for automatic call set-up between two modems communicating via the public switched telephone network.

V.25 specifies an automatic call answering and/or parallel dialling facility in the public switched telephone network , which is connected to the data terminal equipment (DTE) via two 25-pole plug-in connections: one V.24/V .28interface uses the ITU 100 series for data transmission, the other V.25/V.28 uses the 200 series for automatic dialling.

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Englisch: V.25
Updated at: 19.10.2004
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