| 摘要 |
A method and information processing system provide reliability in an IP multimedia subsystem network. The method includes monitoring a S-CSCF (210) for its availability. The method also includes determining, based on the monitoring, that the S-CSCF (210) is unavailable. A wireless device (106) registered with the S-CSCF (210) is notified that the S-CSCF (210) is unavailable. Optionally, the wireless device (106) is notified to re-register with a new S-CSCF.
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