[SR-Users] automatic string to int conversion for rtpengine flags failed

[Olli Heiskanen]

Hello,

As outcome to my earlier sdp/rtp challenges I've upgraded my Asterisk
version to 11.11.0 and still use a realtime integration with Kamailio. Now
I face a somewhat different problem. With my setup I also changed from
jssip client to a sip.js client in my websocket implementation. I cloned
the latest rtpengine from git today.

I had to revert my Asterisk settings a bit, Asterisk was taking over with
sdp handling, I don't know if this is relevant but that's why I got calls
seemingly working before.

When getting the 488 Not Acceptable, I arm a branch route and call
rtpengine_offer there. When trying to call rtpengine_offer, I get the
following log:
(first I print the rtpengine_offer_flags to make sure what is passed to the
function.

Aug 15 15:04:16 u363id562 kamailio[32178]: INFO: <script>:
MANAGE_RTPENGINE_BRANCH: rtpengine_offer_flags = rtcp-mux-demux
trust-address replace-origin replace-session-connection ICE=remove RTP/AVP
Aug 15 15:04:16 u363id562 kamailio[32178]: WARNING: <core> [rvalue.c:1016]:
rval_get_int(): automatic string to int conversion for "rtcp-mux-demux
trust-address replace-origin replace-session-connection ICE=remove RTP/AVP"
failed
Aug 15 15:04:16 u363id562 kamailio[32178]: WARNING: <core> [rvalue.c:1920]:
rval_expr_eval_int(): rval expression conversion to int failed
(1128,32-1128,32)
Aug 15 15:04:16 u363id562 rtpengine[32159]: Got valid command from
127.0.0.1:44292: delete - { "call-id": "k7bft3u75p5e42ib039r",
"received-from": [ "IP4", "client_public_address" ], "from-tag":
"74dovi97bi", "command": "delete" }
Aug 15 15:04:16 u363id562 rtpengine[32159]: [k7bft3u75p5e42ib039r] Call-ID
to delete not found
Aug 15 15:04:16 u363id562 rtpengine[32159]: Returning to SIP proxy:
d7:warning38:Call-ID not found or tags didn't match6:result2:oke

After this I see another 488 and the loop swirls on until Kamailio runs out
of forking capacity. Can You guys explain why is this happening?

I set the variable like this:
$avp(rtpengine_offer_flags) = "rtcp-mux-demux trust-address replace-origin
replace-session-connection ICE=remove RTP/AVP";

cheers,
Olli
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