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How are BYE requests routed?

bye requests routed
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How are BYE requests routed?

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Since a Contact header MUST be present in INVITE and 200, the BYE will go directly to the user agent if there is no Record-Route header. If there is a Record-Route, it will traverse the list of proxies indicated there. If the caller decides to send a BYE before receiving a 200 from the callee, the BYE is being handled by the proxies just as the corresponding INVITE was handled, i.e., it may be forked.

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