On 11/18/2015 08:47 AM, Juha Heinanen wrote:
rtpengine readme tells:
via-branch=... - Include the “branch” value of one of the “Via” headers
in the request to the RTP proxy. Possible values are: “1” - use the
first “Via” header; “2” - use the second “Via” header; “auto” - use the
first “Via” header if this is a request, or the second one if this is a
reply; “extra” - don't take the value from a header, but instead use the
value of the “extra_id_pv” variable. This can be used to create one
media session per branch on the RTP proxy. When sending a subsequent
“delete” command to the RTP proxy, you can then stop just the session
for a specific branch when passing the flag '1' or '2' in the
“rtpengine_delete”, or stop all sessions for a call when not passing one
of those two flags there.
if via-branch=extra is used in offers of branched, should it also be
used in answers and deletes?
Yes it should, as rtpengine uses the via-branch to match the answers to
the offers which didn't have a to-tag. Looking at the sources, the same
logic appears to be missing in the code handling the deletes. I'll fix
this oversight soon.
Cheers
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