| 摘要 |
The present invention relates to a method and system for proxying or relaying a message to an application server, wherein a processing information indicating at least one allowable operating mode for processing said message is forwarded towards an application server (10, 40, 60). The message is then processed based on a selected one of the at least one allowable operating mode. The forwarding step may be performed by adding a header field to the message or by performing a mode negotiation function. Thereby, the application server (10, 40, 60) can be informed of acceptable alternative ways of handling incoming requests and a proxy network element (20) may continue a pre-established chain of application servers without the risk that the call or session may be terminated at the application server (10, 40, 60).
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