| 摘要 |
<p>A Method of cancelling a Circuit Switched Fallback (CSFB) procedure from a source network, particularly E-UTRAN, to a target network, particularly GERAN or UTRAN, for a user equipment is described, wherein a first message for initiating a CSFB procedure is sent from the user equipment to the source network and wherein the cancellation of the CSFB procedure is performed after the first message for initiating the CSFB procedure has been sent, characterised in that after the cancellation of the CSFB procedure has been initiated, the user equipment sends a second message to the source network comprising a new cause value said cause value characterising the cancellation of the CSFB procedure.</p> |
