A method for preventing call session control function entity from active resource hangup
A technology for calling session control and functional entities, which is applied in the direction of wireless network protocols, electrical components, transmission systems, etc., to achieve the effect of preventing resources from hanging
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[0017] The invention proposes a method for preventing resource hangup on CSCF after the SBC fails during the conversation between the calling party and the called party when the SBC is connected to the IMS for conversation, and after the failure is recovered. Include the following steps:
[0018] Step 110: After the SBC failure recovery is completed, notify the access CSCF connected to the SBC of its failure recovery;
[0019] Before the step 110, it also includes that the calling party sends a message to the call session control function entity through the session border control device, calls the called party, the called party rings and picks up the hook, establishes an active session with the calling party, and the caller and the called party During a call, the session border control device malfunctions abnormally.
[0020] After the call between the calling party and the called party is established, the calling party sends a media stream to the called party through the ses...
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