[sr-dev] rtpengine SDP duplication

[Juha Heinanen]

Richard Fuchs writes:

> I'm not too familiar with the internals of the branching logic, but if
> you send out the same SDP a second time, you don't need to call _offer()
> again. If you do want to call it again (say, with different flags),
> you'd have to undo the changes done by the first call and then call it
> again. The msg_apply_changes() function may come in useful.

are you sure that msg_apply_changes is needed?  i have thought that sdp
changes made in branch_route are only visible in that branch.

-- juha