Hello list,

The folliwng is a quote from section 12.2 of RFC 3261:

<Begin Quote>

Target refresh requests only update the dialog's remote target URI,
and not the route set formed from the Record-Route. Updating the
latter would introduce severe backwards compatibility problems with
RFC 2543-compliant systems.

<End Quote>

what sort of backward compatibility problems could arise in case a
target refresh request also updates the route-set, say based on a new
outbound proxy? Any guesses?

thanks for your time
PV
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