| 摘要 |
A method that may be implemented in a CSCF entity to acknowledge a REGISTER type request sent by a terminal. It comprises: a step (E30) of estimating, for at least one future time window, the number of REGISTER requests that are liable to be received by the CSCF entity during said future time window; a step of selecting a future time window; and a step (E110) of sending to the sending terminal an acknowledgment message (200, 503) including a period (EXPIRES) selected so that the next REGISTER request sent by that terminal will be sent during said selected future window.
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