| 摘要 |
A method of communications in a cellular telecommunications network is disclosed. A cell update message is sent from a user equipment to a network node. The cell update message comprises a cell update cause. The cell update cause includes one of information indicating user data transmission or information indicating control data transmission, if the cause of the cell update is a uplink data transmission. A first procedure is used for data transmission if said information is user data transmission. A different second procedure is used for data transmission if said information is control data transmission.
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