| 摘要 |
A method for performing Internet call processing related to the completion of session initiation requests is provided. The session initiation requests include one or more triggers. Based on the detection of one or more triggers, a call processing entity involved with processing the session initiation request transfers call processing to one or more third parties. Each third party performs additional call processing and returns a result to the call processing entity. Based on reception of the result, the call processing entity continues processing the session initiation request. The URI of one or more third parties may be specified in the session initiation request. Also, one or more third parties may be pre-specified. A special trust relationship may exist between a terminal related to the session initiation request and one or more third parties, and the third parties may therefore perform call processing using context specific information or confidential information.
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