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additional packet mode (APM)

Additional Packet Mode (APM) is a packet-switched service for data transmission in the D channel ofISDN. It is specified in the ITU-T standards Q. 931 for the area between the terminal and the local exchange and in the standards Q.731 to Q.766 for the area between the exchanges.

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Englisch: additional packet mode - APM
Updated at: 03.03.2008
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