twinkle
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LubosD
Display any provided Reason header when receiving a BYE or CANCEL
RFC 3326 defines a Reason header field which can be added to a request
in order to provide some explanation for why that request was issued.
It is mostly useful for BYE and CANCEL requests, so that the UA can
explain why a call or INVITE was terminated.
While we don't bother generating such headers (yet), we should at least be kind enough to display those which we receive.
The motivation for this was #277: if Twinkle had displayed from the start the 408 Session timeout explanation it was receiving, it would have spared me a lot of grief.