Hello,
We are trying to achieve rtpengine HA solely with kamailio and rtpengine module.
In the following example call goes to rtpengine node 10.5.0.183:22222 and then
we stop rtpengine service on this node to simulate failure.
Client is triggering re-INVITE, but, apparently, kamailio sticks to initially
selected rtpengine, producing the following errors:
Jun 12 06:59:48 ap07stvp.xxxxxxx.xxx docker[9373]: 27(33) INFO: {2 2 INVITE
jdl9kq6fv51jcv1agk2e} <script>: RTPENGINE branch_id:0 ruri: <null>,
method:INVITE, status:200, extra_id: z9hG4bK55018600, rtpengine_answer:
replace-origin replace-session-connection SIP-source-address direction=priv1
direction=pub1 SIP-source-address via-branch=extra rtcp-mux-offer generate-mid
DTLS=passive SDES-off ICE=force RTP/SAVPF
Jun 12 06:59:49 ap07stvp.xxxxxxx.xxx docker[9373]: 27(33) NOTICE: {2 2 INVITE
jdl9kq6fv51jcv1agk2e} acc [acc.c:287]: acc_log_request(): ACC: transaction
answered:
timestamp=1686553189;method=INVITE;from_tag=fcn109nfe9;to_tag=01284cc8-bc58-4104-9629-8e6bb827d97f;call_id=jdl9kq6fv51jcv1agk2e;code=200;reason=OK;src_user=90362;src_domain=10.181.0.1;src_ip=10.5.0.145;dst_ouser=123;dst_user=123;dst_domain=10.181.0.1
Jun 12 06:59:49 ap07stvp.xxxxxxx.xxx docker[9373]: 31(37) INFO: {2 2 INVITE
jdl9kq6fv51jcv1agk2e} <script>: RTPENGINE branch_id:0 ruri: <null>,
method:INVITE, status:200, extra_id: z9hG4bK55018600, rtpengine_answer:
replace-origin replace-session-connection SIP-source-address direction=priv1
direction=pub1 SIP-source-address via-branch=extra rtcp-mux-offer generate-mid
DTLS=passive SDES-off ICE=force RTP/SAVPF
Jun 12 06:59:49 ap07stvp.xxxxxxx.xxx docker[9373]: 51(57) INFO: {1 2 ACK
jdl9kq6fv51jcv1agk2e} <script>: RTPENGINE branch_id:0 ruri:
sip:10.5.2.192:5060, method:ACK, status:<null>, extra_id: <null>,
rtpengine_offer: replace-origin replace-session-connection SIP-source-address
direction=pub1 direction=priv1 SIP-source-address rtcp-mux-demux DTLS=off
SDES-off ICE=remove RTP/AVP
Jun 12 06:59:49 ap07stvp.xxxxxxx.xxx docker[9373]: 51(57) INFO: {1 2 ACK
jdl9kq6fv51jcv1agk2e} <script>: RTPENGINE branch_id:0 ruri:
sip:10.5.2.192:5060, method:ACK, status:<null>, extra_id: <null>,
rtpengine_offer: replace-origin replace-session-connection SIP-source-address
direction=pub1 direction=priv1 SIP-source-address rtcp-mux-demux DTLS=off
SDES-off ICE=remove RTP/AVP
Jun 12 07:01:26 ap07stvp.xxxxxxx.xxx docker[9373]: 27(33) INFO: {2 3 INVITE
jdl9kq6fv51jcv1agk2e} <script>: RTPENGINE branch_id:0 ruri: <null>,
method:INVITE, status:200, extra_id: z9hG4bK20888040, rtpengine_answer:
replace-origin replace-session-connection SIP-source-address direction=priv1
direction=pub1 SIP-source-address via-branch=extra rtcp-mux-offer generate-mid
DTLS=passive SDES-off ICE=force RTP/SAVPF
Jun 12 07:01:26 ap07stvp.xxxxxxx.xxx docker[9373]: 27(33) ERROR: {2 3 INVITE
jdl9kq6fv51jcv1agk2e} rtpengine [rtpengine.c:3070]: send_rtpp_command(): can't
send command "offer" to RTPEngine <udp:10.5.0.183:22222>
Jun 12 07:01:26 ap07stvp.xxxxxxx.xxx docker[9373]: 54(60) INFO: {1 3 ACK
jdl9kq6fv51jcv1agk2e} <script>: RTPENGINE branch_id:0 ruri:
sip:10.5.2.192:5060, method:ACK, status:<null>, extra_id: <null>,
rtpengine_offer: replace-origin replace-session-connection SIP-source-address
direction=pub1 direction=priv1 SIP-source-address rtcp-mux-demux DTLS=off
SDES-off ICE=remove RTP/AVP
Jun 12 07:01:26 ap07stvp.xxxxxxx.xxx docker[9373]: 54(60) ERROR: {1 3 ACK
jdl9kq6fv51jcv1agk2e} rtpengine [rtpengine.c:2706]: rtpp_function_call(): no
available proxies
We also found Daniel answer on similar issue here:
https://github.com/kamailio/kamailio/issues/2713#issuecomment-823138302
Please advise how it can be solved.
Kind regards,
Arsenijs
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