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This page was last modified 10:30, 29 June 2007.

USSD

From Forum Nokia Wiki

USSD stands for Unstrcutured Supplementary Services Data.

  • It is a way of sending short commands from the mobile phone to the GSM network.
  • It uses, like SMS, the signalling channel of the GSM connection. Unlike SMS, it does not use a store and forward architecture, but a session oriented connection.
  • USSD text messages can be up to 182 bytes in length. Messages received on the mobile phone are not stored.
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