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### Description
<!--
Explain what you did, what you expected to happen, and what actually happened.
-->
### Troubleshooting
#### Reproduction
<!--
If the issue can be reproduced, describe how it can be done.
-->
#### Debugging Data
<!--
If you got a core dump, use gdb to extract troubleshooting data - full
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local variables and the list of the code at the issue location.
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```
Oct 23 02:08:17 ip145 /usr/sbin/kamailio[3071]: INFO: {1 1 INVITE
udfal237dcbsaao5u84v} <script>: INVITE from: sip:voc_...@sip-dev.cleverstack.in
(IP:103.133.141.52:54169) to: sip:voc_...@sip-pd.cleverstack.in ,
ru=sip:voc_...@sip-pd.cleverstack.in
Oct 23 02:08:17 ip145 /usr/sbin/kamailio[3071]: ERROR: {1 1 INVITE
udfal237dcbsaao5u84v} nathelper [nathelper.c:745]: set_contact_alias(): you
can't update contact twice, check your config!
Oct 23 02:08:17 ip145 /usr/sbin/kamailio[3071]: INFO: {1 1 INVITE
udfal237dcbsaao5u84v} <script>: HANDLE_NAT_SDP: Branch [0] to
sip:voc_...@sip-pd.cleverstack.in -- FLAGS: 8192 Checking Conditions
Oct 23 02:08:17 ip145 /usr/sbin/kamailio[3071]: INFO: {1 1 INVITE
udfal237dcbsaao5u84v} <script>: HANDLE_NAT_SDP: Source Protocol:wss Destination
Protocol: UDP
Oct 23 02:08:17 ip145 /usr/sbin/kamailio[3071]: INFO: {1 1 INVITE
udfal237dcbsaao5u84v} <script>: HANDLE_NAT_SDP: (Branch:[0] EngineID:1)
RTP-Engine offer: via-branch=extra trust-address replace-origin
replace-session-connection rtcp-mux-demux ICE=remove RTP/AVP
Oct 23 02:08:17 ip145 /usr/sbin/kamailio[3071]: ERROR: {1 1 INVITE
udfal237dcbsaao5u84v} rtpengine [rtpengine.c:3397]: select_rtpp_node():
rtpengine failed to select new for calllen=20 callid=udfal237dcbsaao5u84v
Oct 23 02:08:17 ip145 /usr/sbin/kamailio[3071]: ERROR: {1 1 INVITE
udfal237dcbsaao5u84v} rtpengine [rtpengine.c:2737]: rtpp_function_call(): no
available proxies
Oct 23 02:08:17 ip145 /usr/sbin/kamailio[3050]: INFO: {2 1 INVITE
udfal237dcbsaao5u84v} <script>: #015#012FS_REPLY - <null> : INVITE : 407
Oct 23 02:08:17 ip145 /usr/sbin/kamailio[3050]: INFO: {1 1 INVITE
udfal237dcbsaao5u84v} <script>: FS_FAULT
Oct 23 02:08:17 ip145 /usr/sbin/kamailio[3071]: INFO: {1 1 ACK
udfal237dcbsaao5u84v} <script>: ACK from: sip:voc_...@sip-dev.cleverstack.in
(IP:103.133.141.52:54169) to: sip:voc_...@sip-pd.cleverstack.in ,
ru=sip:voc_...@sip-pd.cleverstack.in
Oct 23 02:08:17 ip145 /usr/sbin/kamailio[3071]: INFO: {1 2 INVITE
udfal237dcbsaao5u84v} <script>: INVITE from: sip:voc_...@sip-dev.cleverstack.in
(IP:103.133.141.52:54169) to: sip:voc_...@sip-pd.cleverstack.in ,
ru=sip:voc_...@sip-pd.cleverstack.in
Oct 23 02:08:17 ip145 /usr/sbin/kamailio[3071]: ERROR: {1 2 INVITE
udfal237dcbsaao5u84v} nathelper [nathelper.c:745]: set_contact_alias(): you
can't update contact twice, check your config!
Oct 23 02:08:17 ip145 /usr/sbin/kamailio[3071]: INFO: {1 2 INVITE
udfal237dcbsaao5u84v} <script>: HANDLE_NAT_SDP: Branch [0] to
sip:voc_...@sip-pd.cleverstack.in -- FLAGS: 8192 Checking Conditions
Oct 23 02:08:17 ip145 /usr/sbin/kamailio[3071]: INFO: {1 2 INVITE
udfal237dcbsaao5u84v} <script>: HANDLE_NAT_SDP: Source Protocol:wss Destination
Protocol: UDP
Oct 23 02:08:17 ip145 /usr/sbin/kamailio[3071]: INFO: {1 2 INVITE
udfal237dcbsaao5u84v} <script>: HANDLE_NAT_SDP: (Branch:[0] EngineID:1)
RTP-Engine offer: via-branch=extra trust-address replace-origin
replace-session-connection rtcp-mux-demux ICE=remove RTP/AVP
Oct 23 02:08:17 ip145 /usr/sbin/kamailio[3071]: ERROR: {1 2 INVITE
udfal237dcbsaao5u84v} rtpengine [rtpengine.c:3397]: select_rtpp_node():
rtpengine failed to select new for calllen=20 callid=udfal237dcbsaao5u84v
Oct 23 02:08:17 ip145 /usr/sbin/kamailio[3071]: ERROR: {1 2 INVITE
udfal237dcbsaao5u84v} rtpengine [rtpengine.c:2737]: rtpp_function_call(): no
available proxies
Oct 23 02:08:17 ip145 /usr/sbin/kamailio[3046]: INFO: {2 2 INVITE
udfal237dcbsaao5u84v} <script>: #015#012FS_REPLY - <null> : INVITE : 100
Oct 23 02:08:17 ip145 /usr/sbin/kamailio[3042]: INFO: {2 2 INVITE
udfal237dcbsaao5u84v} <script>: #015#012FS_REPLY - <null> : INVITE : 183
Oct 23 02:08:17 ip145 /usr/sbin/kamailio[3042]: INFO: {2 2 INVITE
udfal237dcbsaao5u84v} <script>: HANDLE_NAT_SDP: Branch [0] to <null> -- FLAGS:
8192 Checking Conditions
Oct 23 02:08:17 ip145 /usr/sbin/kamailio[3042]: INFO: {2 2 INVITE
udfal237dcbsaao5u84v} <script>: HANDLE_NAT_SDP: Source Protocol:udp Destination
Protocol: UDP
Oct 23 02:08:17 ip145 /usr/sbin/kamailio[3042]: INFO: {2 2 INVITE
udfal237dcbsaao5u84v} <script>: HANDLE_NAT_SDP: (Branch:[0] EngineID:1)
RTP-Engine answer: via-branch=extra trust-address replace-origin
replace-session-connection rtcp-mux-demux ICE=remove RTP/AVP
Oct 23 02:08:17 ip145 /usr/sbin/kamailio[3042]: ERROR: {2 2 INVITE
udfal237dcbsaao5u84v} rtpengine [rtpengine.c:3397]: select_rtpp_node():
rtpengine failed to select new for calllen=20 callid=udfal237dcbsaao5u84v
Oct 23 02:08:17 ip145 /usr/sbin/kamailio[3042]: ERROR: {2 2 INVITE
udfal237dcbsaao5u84v} rtpengine [rtpengine.c:2737]: rtpp_function_call(): no
available proxies
Oct 23 02:08:18 ip145 /usr/sbin/kamailio[3051]: INFO: {1 90260957 INVITE
1cd1065f-aec7-4360-8631-3198d673c841} <script>: INVITE from:
sip:voc_104@51.79.190.145 (IP:51.79.190.145:5062) to:
sip:u9l1bt5k@m2kc1a56vh3q.invalid;transport=ws;lhst=103.133.141.52:53934;lm=midreg
,
ru=sip:u9l1bt5k@m2kc1a56vh3q.invalid;transport=ws;lhst=103.133.141.52:53934;lm=midreg
Oct 23 02:08:18 ip145 /usr/sbin/kamailio[3051]: INFO: {1 90260957 INVITE
1cd1065f-aec7-4360-8631-3198d673c841} <script>: SOURCE_CLASSIFY: request INVITE
from FS
Oct 23 02:08:18 ip145 /usr/sbin/kamailio[3051]: INFO: {1 90260957 INVITE
1cd1065f-aec7-4360-8631-3198d673c841} <script>: FS_TO_KAM ||
sip:u9l1bt5k@m2kc1a56vh3q.invalid;transport=ws;lhst=103.133.141.52:53934;lm=midreg
|| sip:voc_104@51.79.190.145 -->
sip:u9l1bt5k@m2kc1a56vh3q.invalid;transport=ws;lhst=103.133.141.52:53934;lm=midreg
Oct 23 02:08:18 ip145 /usr/sbin/kamailio[3051]: INFO: {1 90260957 INVITE
1cd1065f-aec7-4360-8631-3198d673c841} <script>: FS_TO_KAM || looking for
registered extension
Oct 23 02:08:18 ip145 /usr/sbin/kamailio[3051]: INFO: {1 90260957 INVITE
1cd1065f-aec7-4360-8631-3198d673c841} <script>: LOCATION
sip:u9l1bt5k@m2kc1a56vh3q.invalid;transport=ws;lhst=103.133.141.52:53934;lm=midreg
Oct 23 02:08:18 ip145 /usr/sbin/kamailio[3051]: INFO: {1 90260957 INVITE
1cd1065f-aec7-4360-8631-3198d673c841} <script>: LOCATION || exturl =
sip:voc_...@sip-dev.cleverstack.in
Oct 23 02:08:18 ip145 /usr/sbin/kamailio[3051]: INFO: {1 90260957 INVITE
1cd1065f-aec7-4360-8631-3198d673c841} <script>: HANDLE_NAT_SDP: Branch [0] to
sip:g321jqm6@14gassrhfn7h.invalid;transport=ws;lhst=103.133.141.52:53161;lm=midreg
-- FLAGS: 8320 Checking Conditions
Oct 23 02:08:18 ip145 /usr/sbin/kamailio[3051]: INFO: {1 90260957 INVITE
1cd1065f-aec7-4360-8631-3198d673c841} <script>: HANDLE_NAT_SDP: Source
Protocol:udp Destination Protocol: WS
Oct 23 02:08:18 ip145 /usr/sbin/kamailio[3051]: INFO: {1 90260957 INVITE
1cd1065f-aec7-4360-8631-3198d673c841} <script>: HANDLE_NAT_SDP: Saving
RtpEngine ID: 4 into SIP R-Route params
Oct 23 02:08:18 ip145 /usr/sbin/kamailio[3051]: INFO: {1 90260957 INVITE
1cd1065f-aec7-4360-8631-3198d673c841} <script>: HANDLE_NAT_SDP: (Branch:[0]
EngineID:4) RTP-Engine offer: trust-address replace-origin
replace-session-connection rtcp-mux-offer DTLS=passive SDES-off ICE=force
RTP/SAVPF via-branch=extra DTLS-fingerprint=sha-256
Oct 23 02:08:18 ip145 /usr/sbin/kamailio[3051]: ERROR: {1 90260957 INVITE
1cd1065f-aec7-4360-8631-3198d673c841} rtpengine [rtpengine.c:3397]:
select_rtpp_node(): rtpengine failed to select new for calllen=36
callid=1cd1065f-aec7-4360-8631-3198d673c841
Oct 23 02:08:18 ip145 /usr/sbin/kamailio[3051]: ERROR: {1 90260957 INVITE
1cd1065f-aec7-4360-8631-3198d673c841} rtpengine [rtpengine.c:2737]:
rtpp_function_call(): no available proxies
Oct 23 02:08:18 ip145 /usr/sbin/kamailio[3051]: WARNING: {1 90260957 INVITE
1cd1065f-aec7-4360-8631-3198d673c841} <core> [core/forward.c:231]:
get_send_socket2(): protocol/port mismatch (forced udp:51.79.190.145:5560, to
ws:103.133.141.52:53161)
Oct 23 02:08:18 ip145 /usr/sbin/kamailio[3051]: WARNING: {1 90260957 INVITE
1cd1065f-aec7-4360-8631-3198d673c841} <core> [core/msg_translator.c:2864]:
via_builder(): TCP/TLS connection (id: 0) for WebSocket could not be found
Oct 23 02:08:18 ip145 /usr/sbin/kamailio[3051]: ERROR: {1 90260957 INVITE
1cd1065f-aec7-4360-8631-3198d673c841} <core> [core/msg_translator.c:2040]:
build_req_buf_from_sip_req(): could not create Via header
Oct 23 02:08:18 ip145 /usr/sbin/kamailio[3051]: ERROR: {1 90260957 INVITE
1cd1065f-aec7-4360-8631-3198d673c841} tm [t_fwd.c:479]: prepare_new_uac():
could not build request
Oct 23 02:08:18 ip145 /usr/sbin/kamailio[3051]: ERROR: {1 90260957 INVITE
1cd1065f-aec7-4360-8631-3198d673c841} tm [t_fwd.c:1757]: t_forward_nonack():
failure to add branches
Oct 23 02:08:18 ip145 /usr/sbin/kamailio[3051]: ERROR: {1 90260957 INVITE
1cd1065f-aec7-4360-8631-3198d673c841} sl [sl_funcs.c:418]: sl_reply_error():
stateless error reply used: No error (2/SL)
Oct 23 02:08:18 ip145 /usr/sbin/kamailio[3043]: INFO: {1 90260957 ACK
1cd1065f-aec7-4360-8631-3198d673c841} <script>: ACK from:
sip:voc_104@51.79.190.145 (IP:51.79.190.145:5062) to:
sip:u9l1bt5k@m2kc1a56vh3q.invalid;transport=ws;lhst=103.133.141.52:53934;lm=midreg
,
ru=sip:u9l1bt5k@m2kc1a56vh3q.invalid;transport=ws;lhst=103.133.141.52:53934;lm=midreg
Oct 23 02:08:18 ip145 /usr/sbin/kamailio[3043]: INFO: {1 90260957 ACK
1cd1065f-aec7-4360-8631-3198d673c841} <script>: SOURCE_CLASSIFY: request ACK
from FS
```
#### Log Messages
<!--
Check the syslog file and if there are relevant log messages printed by
Kamailio, add them next, or attach to issue, or provide a link to download them
(e.g., to a pastebin site).
-->
```
Oct 23 02:08:17 ip145 /usr/sbin/kamailio[3071]: INFO: {1 1 INVITE
udfal237dcbsaao5u84v} <script>: INVITE from: sip:voc_...@sip-dev.cleverstack.in
(IP:103.133.141.52:54169) to: sip:voc_...@sip-pd.cleverstack.in ,
ru=sip:voc_...@sip-pd.cleverstack.in
Oct 23 02:08:17 ip145 /usr/sbin/kamailio[3071]: ERROR: {1 1 INVITE
udfal237dcbsaao5u84v} nathelper [nathelper.c:745]: set_contact_alias(): you
can't update contact twice, check your config!
Oct 23 02:08:17 ip145 /usr/sbin/kamailio[3071]: INFO: {1 1 INVITE
udfal237dcbsaao5u84v} <script>: HANDLE_NAT_SDP: Branch [0] to
sip:voc_...@sip-pd.cleverstack.in -- FLAGS: 8192 Checking Conditions
Oct 23 02:08:17 ip145 /usr/sbin/kamailio[3071]: INFO: {1 1 INVITE
udfal237dcbsaao5u84v} <script>: HANDLE_NAT_SDP: Source Protocol:wss Destination
Protocol: UDP
Oct 23 02:08:17 ip145 /usr/sbin/kamailio[3071]: INFO: {1 1 INVITE
udfal237dcbsaao5u84v} <script>: HANDLE_NAT_SDP: (Branch:[0] EngineID:1)
RTP-Engine offer: via-branch=extra trust-address replace-origin
replace-session-connection rtcp-mux-demux ICE=remove RTP/AVP
Oct 23 02:08:17 ip145 /usr/sbin/kamailio[3071]: ERROR: {1 1 INVITE
udfal237dcbsaao5u84v} rtpengine [rtpengine.c:3397]: select_rtpp_node():
rtpengine failed to select new for calllen=20 callid=udfal237dcbsaao5u84v
Oct 23 02:08:17 ip145 /usr/sbin/kamailio[3071]: ERROR: {1 1 INVITE
udfal237dcbsaao5u84v} rtpengine [rtpengine.c:2737]: rtpp_function_call(): no
available proxies
Oct 23 02:08:17 ip145 /usr/sbin/kamailio[3050]: INFO: {2 1 INVITE
udfal237dcbsaao5u84v} <script>: #015#012FS_REPLY - <null> : INVITE : 407
Oct 23 02:08:17 ip145 /usr/sbin/kamailio[3050]: INFO: {1 1 INVITE
udfal237dcbsaao5u84v} <script>: FS_FAULT
Oct 23 02:08:17 ip145 /usr/sbin/kamailio[3071]: INFO: {1 1 ACK
udfal237dcbsaao5u84v} <script>: ACK from: sip:voc_...@sip-dev.cleverstack.in
(IP:103.133.141.52:54169) to: sip:voc_...@sip-pd.cleverstack.in ,
ru=sip:voc_...@sip-pd.cleverstack.in
Oct 23 02:08:17 ip145 /usr/sbin/kamailio[3071]: INFO: {1 2 INVITE
udfal237dcbsaao5u84v} <script>: INVITE from: sip:voc_...@sip-dev.cleverstack.in
(IP:103.133.141.52:54169) to: sip:voc_...@sip-pd.cleverstack.in ,
ru=sip:voc_...@sip-pd.cleverstack.in
Oct 23 02:08:17 ip145 /usr/sbin/kamailio[3071]: ERROR: {1 2 INVITE
udfal237dcbsaao5u84v} nathelper [nathelper.c:745]: set_contact_alias(): you
can't update contact twice, check your config!
Oct 23 02:08:17 ip145 /usr/sbin/kamailio[3071]: INFO: {1 2 INVITE
udfal237dcbsaao5u84v} <script>: HANDLE_NAT_SDP: Branch [0] to
sip:voc_...@sip-pd.cleverstack.in -- FLAGS: 8192 Checking Conditions
Oct 23 02:08:17 ip145 /usr/sbin/kamailio[3071]: INFO: {1 2 INVITE
udfal237dcbsaao5u84v} <script>: HANDLE_NAT_SDP: Source Protocol:wss Destination
Protocol: UDP
Oct 23 02:08:17 ip145 /usr/sbin/kamailio[3071]: INFO: {1 2 INVITE
udfal237dcbsaao5u84v} <script>: HANDLE_NAT_SDP: (Branch:[0] EngineID:1)
RTP-Engine offer: via-branch=extra trust-address replace-origin
replace-session-connection rtcp-mux-demux ICE=remove RTP/AVP
Oct 23 02:08:17 ip145 /usr/sbin/kamailio[3071]: ERROR: {1 2 INVITE
udfal237dcbsaao5u84v} rtpengine [rtpengine.c:3397]: select_rtpp_node():
rtpengine failed to select new for calllen=20 callid=udfal237dcbsaao5u84v
Oct 23 02:08:17 ip145 /usr/sbin/kamailio[3071]: ERROR: {1 2 INVITE
udfal237dcbsaao5u84v} rtpengine [rtpengine.c:2737]: rtpp_function_call(): no
available proxies
Oct 23 02:08:17 ip145 /usr/sbin/kamailio[3046]: INFO: {2 2 INVITE
udfal237dcbsaao5u84v} <script>: #015#012FS_REPLY - <null> : INVITE : 100
Oct 23 02:08:17 ip145 /usr/sbin/kamailio[3042]: INFO: {2 2 INVITE
udfal237dcbsaao5u84v} <script>: #015#012FS_REPLY - <null> : INVITE : 183
Oct 23 02:08:17 ip145 /usr/sbin/kamailio[3042]: INFO: {2 2 INVITE
udfal237dcbsaao5u84v} <script>: HANDLE_NAT_SDP: Branch [0] to <null> -- FLAGS:
8192 Checking Conditions
Oct 23 02:08:17 ip145 /usr/sbin/kamailio[3042]: INFO: {2 2 INVITE
udfal237dcbsaao5u84v} <script>: HANDLE_NAT_SDP: Source Protocol:udp Destination
Protocol: UDP
Oct 23 02:08:17 ip145 /usr/sbin/kamailio[3042]: INFO: {2 2 INVITE
udfal237dcbsaao5u84v} <script>: HANDLE_NAT_SDP: (Branch:[0] EngineID:1)
RTP-Engine answer: via-branch=extra trust-address replace-origin
replace-session-connection rtcp-mux-demux ICE=remove RTP/AVP
Oct 23 02:08:17 ip145 /usr/sbin/kamailio[3042]: ERROR: {2 2 INVITE
udfal237dcbsaao5u84v} rtpengine [rtpengine.c:3397]: select_rtpp_node():
rtpengine failed to select new for calllen=20 callid=udfal237dcbsaao5u84v
Oct 23 02:08:17 ip145 /usr/sbin/kamailio[3042]: ERROR: {2 2 INVITE
udfal237dcbsaao5u84v} rtpengine [rtpengine.c:2737]: rtpp_function_call(): no
available proxies
Oct 23 02:08:18 ip145 /usr/sbin/kamailio[3051]: INFO: {1 90260957 INVITE
1cd1065f-aec7-4360-8631-3198d673c841} <script>: INVITE from:
sip:voc_104@51.79.190.145 (IP:51.79.190.145:5062) to:
sip:u9l1bt5k@m2kc1a56vh3q.invalid;transport=ws;lhst=103.133.141.52:53934;lm=midreg
,
ru=sip:u9l1bt5k@m2kc1a56vh3q.invalid;transport=ws;lhst=103.133.141.52:53934;lm=midreg
Oct 23 02:08:18 ip145 /usr/sbin/kamailio[3051]: INFO: {1 90260957 INVITE
1cd1065f-aec7-4360-8631-3198d673c841} <script>: SOURCE_CLASSIFY: request INVITE
from FS
Oct 23 02:08:18 ip145 /usr/sbin/kamailio[3051]: INFO: {1 90260957 INVITE
1cd1065f-aec7-4360-8631-3198d673c841} <script>: FS_TO_KAM ||
sip:u9l1bt5k@m2kc1a56vh3q.invalid;transport=ws;lhst=103.133.141.52:53934;lm=midreg
|| sip:voc_104@51.79.190.145 -->
sip:u9l1bt5k@m2kc1a56vh3q.invalid;transport=ws;lhst=103.133.141.52:53934;lm=midreg
Oct 23 02:08:18 ip145 /usr/sbin/kamailio[3051]: INFO: {1 90260957 INVITE
1cd1065f-aec7-4360-8631-3198d673c841} <script>: FS_TO_KAM || looking for
registered extension
Oct 23 02:08:18 ip145 /usr/sbin/kamailio[3051]: INFO: {1 90260957 INVITE
1cd1065f-aec7-4360-8631-3198d673c841} <script>: LOCATION
sip:u9l1bt5k@m2kc1a56vh3q.invalid;transport=ws;lhst=103.133.141.52:53934;lm=midreg
Oct 23 02:08:18 ip145 /usr/sbin/kamailio[3051]: INFO: {1 90260957 INVITE
1cd1065f-aec7-4360-8631-3198d673c841} <script>: LOCATION || exturl =
sip:voc_...@sip-dev.cleverstack.in
Oct 23 02:08:18 ip145 /usr/sbin/kamailio[3051]: INFO: {1 90260957 INVITE
1cd1065f-aec7-4360-8631-3198d673c841} <script>: HANDLE_NAT_SDP: Branch [0] to
sip:g321jqm6@14gassrhfn7h.invalid;transport=ws;lhst=103.133.141.52:53161;lm=midreg
-- FLAGS: 8320 Checking Conditions
Oct 23 02:08:18 ip145 /usr/sbin/kamailio[3051]: INFO: {1 90260957 INVITE
1cd1065f-aec7-4360-8631-3198d673c841} <script>: HANDLE_NAT_SDP: Source
Protocol:udp Destination Protocol: WS
Oct 23 02:08:18 ip145 /usr/sbin/kamailio[3051]: INFO: {1 90260957 INVITE
1cd1065f-aec7-4360-8631-3198d673c841} <script>: HANDLE_NAT_SDP: Saving
RtpEngine ID: 4 into SIP R-Route params
Oct 23 02:08:18 ip145 /usr/sbin/kamailio[3051]: INFO: {1 90260957 INVITE
1cd1065f-aec7-4360-8631-3198d673c841} <script>: HANDLE_NAT_SDP: (Branch:[0]
EngineID:4) RTP-Engine offer: trust-address replace-origin
replace-session-connection rtcp-mux-offer DTLS=passive SDES-off ICE=force
RTP/SAVPF via-branch=extra DTLS-fingerprint=sha-256
Oct 23 02:08:18 ip145 /usr/sbin/kamailio[3051]: ERROR: {1 90260957 INVITE
1cd1065f-aec7-4360-8631-3198d673c841} rtpengine [rtpengine.c:3397]:
select_rtpp_node(): rtpengine failed to select new for calllen=36
callid=1cd1065f-aec7-4360-8631-3198d673c841
Oct 23 02:08:18 ip145 /usr/sbin/kamailio[3051]: ERROR: {1 90260957 INVITE
1cd1065f-aec7-4360-8631-3198d673c841} rtpengine [rtpengine.c:2737]:
rtpp_function_call(): no available proxies
Oct 23 02:08:18 ip145 /usr/sbin/kamailio[3051]: WARNING: {1 90260957 INVITE
1cd1065f-aec7-4360-8631-3198d673c841} <core> [core/forward.c:231]:
get_send_socket2(): protocol/port mismatch (forced udp:51.79.190.145:5560, to
ws:103.133.141.52:53161)
Oct 23 02:08:18 ip145 /usr/sbin/kamailio[3051]: WARNING: {1 90260957 INVITE
1cd1065f-aec7-4360-8631-3198d673c841} <core> [core/msg_translator.c:2864]:
via_builder(): TCP/TLS connection (id: 0) for WebSocket could not be found
Oct 23 02:08:18 ip145 /usr/sbin/kamailio[3051]: ERROR: {1 90260957 INVITE
1cd1065f-aec7-4360-8631-3198d673c841} <core> [core/msg_translator.c:2040]:
build_req_buf_from_sip_req(): could not create Via header
Oct 23 02:08:18 ip145 /usr/sbin/kamailio[3051]: ERROR: {1 90260957 INVITE
1cd1065f-aec7-4360-8631-3198d673c841} tm [t_fwd.c:479]: prepare_new_uac():
could not build request
Oct 23 02:08:18 ip145 /usr/sbin/kamailio[3051]: ERROR: {1 90260957 INVITE
1cd1065f-aec7-4360-8631-3198d673c841} tm [t_fwd.c:1757]: t_forward_nonack():
failure to add branches
Oct 23 02:08:18 ip145 /usr/sbin/kamailio[3051]: ERROR: {1 90260957 INVITE
1cd1065f-aec7-4360-8631-3198d673c841} sl [sl_funcs.c:418]: sl_reply_error():
stateless error reply used: No error (2/SL)
Oct 23 02:08:18 ip145 /usr/sbin/kamailio[3043]: INFO: {1 90260957 ACK
1cd1065f-aec7-4360-8631-3198d673c841} <script>: ACK from:
sip:voc_104@51.79.190.145 (IP:51.79.190.145:5062) to:
sip:u9l1bt5k@m2kc1a56vh3q.invalid;transport=ws;lhst=103.133.141.52:53934;lm=midreg
,
ru=sip:u9l1bt5k@m2kc1a56vh3q.invalid;transport=ws;lhst=103.133.141.52:53934;lm=midreg
Oct 23 02:08:18 ip145 /usr/sbin/kamailio[3043]: INFO: {1 90260957 ACK
1cd1065f-aec7-4360-8631-3198d673c841} <script>: SOURCE_CLASSIFY: request ACK
from FS
```
#### SIP Traffic
<!--
If the issue is exposed by processing specific SIP messages, grab them with
ngrep or save in a pcap file, then add them next, or attach to issue, or
provide a link to download them (e.g., to a pastebin site).
-->
```
(paste your sip traffic here)
```
### Possible Solutions
<!--
If you found a solution or workaround for the issue, describe it. Ideally,
provide a pull request with a fix.
-->
### Additional Information
* **Kamailio Version** - output of `kamailio -v`
```
5.3.9
```
* **Operating System**:
<!--
Details about the operating system, the type: Linux (e.g.,: Debian 8.4, Ubuntu
16.04, CentOS 7.1, ...), MacOS, xBSD, Solaris, ...;
Kernel details (output of `lsb_release -a` and `uname -a`)
-->
```
Centos7 & Debian 12 both have same issue
```
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