Importance

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Abstract

Methods and apparatuses for transmitting and receiving emergency service are provided to solve the problem that the user maliciously performs emergency registration with the emergency user ID to receive the unauthorized service. The method for initiating callback in the emergency service includes forwarding the request message to the callee connection network and informing the callee connection network of the identity of the initiator identity after the callback initiator side authenticates the identity of the initiator of the received request message. The method for receiving callback in the emergency service includes: recognizing, by the callee connection network, the identity of the initiator who initiates the callback request message transmitted from the call initiator-side network and performing post-processing according to whether the identity of the initiator is a valid PSAP.

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First Claim