<div dir="ltr"><div dir="auto">Hi,<div dir="auto"><br></div><div dir="auto">I have enabled all debug logs and i traced it and I found that as you said it is keep on looping the invite in pcscf instead of going to other UE . I couldn't able to find the reason.Can you please give me some input on this. </div><div dir="auto"><br></div><div dir="auto">Debug logs of pcscf :</div><div dir="auto"><div style="box-sizing:border-box;font-family:"Segoe UI",system-ui,"Apple Color Emoji","Segoe UI Emoji",sans-serif;font-size:14px">0#015#012Via: SIP/2.0/UDP 10.45.6.179:4060;branch=z9hG4bK7014.c9499ad5ce252a99a36ad8b9b70f04d4.0#015#012Via: SIP/2.0/UDP 10.45.6.179:4060;branch=z9hG4bK7014.a00d9260e4373806e691bfa2828ab215.0#015#012Via: SIP/2.0/UDP 10.45.6.179:4060;branch=z9hG4bK7014.6ab08c40989814cf3726b826bdef39d2.0#015#012Via: SIP/2.0/UDP 10.45.6.179:4060;branch=z9hG4bK7014.e650088370f5d61c0d902d1a40fc1252.0#015#012Via: SIP/2.0/UDP 10.45.6.179:4060;branch=z9hG4bK7014.44a3f1c7026e2d42810722ae5c4bf942.0#015#012Via: SIP/2.0/UDP 10.45.6.179:4060;branch=z9hG4bK7014.54030b75c055258251ec7e6980c78c74.0#015#012Via: SIP/2.0/UDP 10.45.6.179:4060;branch=z9hG4bK7014.9a08d87ec59a03501dcd55413ce046eb.0#015#012Via: SIP/2.0/UDP 10.45.6.179:4060;branch=z9hG4bK7014.f36a9dba7b795e3b96df4bb6b480a688.0#015#012Via: SIP/2.0/UDP 10.45.6.179:4060;branch=z9hG4bK7014.b49469c77e102314d82036734a413360.0#015#012Via: SIP/2.0/UDP 10.45.6.179:4060;branch=z9hG4bK7014.221403deba39c28c50f332a8fde22646.0#015#012Via: SIP/2.0/UDP 10.45.6.179:4060;branch=z9hG4bK7014.77f89368e68665c1e3ffdc1d1bea7bab.0#015#012Via: SIP/2.0/UDP 10.45.6.179:4060;branch=z9hG4bK7014.2e5981568975ea5c81876a9dded1bc08.0#<br>

015#012Via: SIP/2.0/UDP 10.45.6.179:4060;branch=z9hG4bK7014.19809abdb9c351fdce7e25f51e8c1754.0#015#012Via: SIP/2.0/UDP 10.45.6.179:4060;branch=z9hG4bK7014.ad73d18d15b6c9da96e13156a84d5522.0#015#012Via: SIP/2.0/UDP 10.45.6.179:4060;branch=z9hG4bK7014.fcb5555d6a683215aa989fb4254abd62.0#015#012Via: SIP/2.0/UDP 10.45.6.179:4060;branch=z9hG4bK7014.244b467757383234c76b1c66f98ddfe8.0#015#012Via: SIP/2.0/UDP 10.45.6.179:4060;branch=z9hG4bK7014.b2c353ef1d637907359822c64cb81b2a.0#015#012Via: SIP/2.0/UDP 10.45.6.179:4060;branch=z9hG4bK7014.d22dceb1af0320cfc769f94e0214a313.0#015#012Via: SIP/2.0/UDP 10.45.6.179:4060;branch=z9hG4bK7014.f5e9b7f9b209c82971ae1017b9ad7d1e.0#015#012Via: SIP/2.0/UDP 10.45.6.179:4060;branch=z9hG4bK7014.0f2c98bc92cc799fdce0a4090b626021.0#015#012Via: SIP/2.0/UDP 10.45.6.179:4060;branch=z9hG4bK7014.aa8a07d89f83a26cefd74e4770aef63c.0#015#012Via: SIP/2.0/UDP 10.45.6.179:4060;branch=z9hG4bK7014.94c376a77d066ffe113e84465f5f5311.0#015#012Via: SIP/2.0/UDP 10.45.6.179:4060;branch=z9hG4bK7014.2202e658b1d8b801b14ec432bae7fabe.0#015#012Via: SIP/2.0/UDP 10.45.6.179:4060;branch=z9hG4bK7014.55f7d6a5d9d2a9d064cf1c6683f12eca.0#015#012Via: SIP/2.0/UDP 10.45.6.179:4060;branch=z9hG4bK7014.6870e53f3bc573f140d1728401dd43ae.0#015#012Via: SIP/2.0/UDP 10.45.6.179:4060;branch=z9hG4bK7014.a84d83df8646a75ee0d3605dcacb45ad.0#015#012Via: SIP/2.0/UDP 10.45.6.179:4060;branch=z9hG4bK7014.486b6fb0d17077e20f8375188a8bee75.0#015#012Via: SIP/2.0/UDP 10.45.6.179:4060;branch=z9hG4bK7014.bc0321f98578ab09ad615b634c4c83cd.0#015#012Via: SIP/2.0/UDP 10.45.6.179:4060;branch=z9hG4bK7014.9b26fda9326632abf7bdb32a33d03ab2.0#015#012Via: SIP/2.0/UDP 10.45.6.179:4060;branch=z9hG4bK7014.060fa4afc70848b34ede46705b90f7cb.0#015#012Via: SIP/2.0/UDP 10.45.6.179:4060;branch=z9hG4bK7014.56134adb7c492f7a4f03b36dfbf713f5.0#015#012Via: SIP/2.0/UDP 10.45.6.179:4060;branch=z9hG4bK7014.f9ccc5e81175283c9b4b56f4a2252c0f.0#015#012Via: SIP/2.0/UDP 10.45.6.179:4060;branch=z9hG4bK7014.3c231176b0e95b8121637df41b504f18.0#015#012Via: SIP/2.0/UDP 10.45.6.179:4060;branch=z9hG4bK7014.95bd5b0e0bf8c2bda906a751816a9876.0#015#012Via: SIP/2.0/UDP 10.45.6.179:4060;branch=z9hG4bK7014.87e0fd0a1bd044147d22052d27e07527.0#015#012Via: SIP/2.0/UDP 10.45.6.73:4080;branch=z9hG4bK7014.0a319c71a9a26c8afa77713d6d4ecfed.0#015#012Via: SIP/2.0/UDP 10.45.6.79:4070;branch=z9hG4bK7014.1442d975c0a393f232020916a6fbfc15.1#015#012Via: SIP/2.0/UDP 10.45.6.73:4080;branch=z9hG4bK7014.e35a84678ec61f7cefa8cdacb6ba92d9.0#015#012Via: SIP/2.0/UDP 10.45.6.179:4060;branch=z9hG4bK7014.cc99617f0c0f5088f45e203f6a58dd57.0#015#012Via: SIP/2.0/UDP 10.45.6.174:36029;received=10.45.6.174;branch=z9hG4bK-524287-1---c856c42a33d1e959;rport=36029#015#012To: <<a href="mailto:sip%3Abob@sip.example.com">sip:bob@sip.example.com</a>>;tag=8409f602ccf3f3f0da6ebceab6ff6336.aa5bd74f#015#012From: <<a href="mailto:sip%3Aalice@sip.example.com">sip:alice@sip.example.com</a>;transport=UDP>;tag=cdbaae3f#015#012Call-ID: I-58e6z5tN3aDpmdzq1oVA..#015#012CSeq: 1 INVITE#015#012Server: TelcoSuite Proxy-CSCF#015#012Content-Length: 0<br>   </div><div style="box-sizing:border-box;font-family:"Segoe UI",system-ui,"Apple Color Emoji","Segoe UI Emoji",sans-serif;font-size:14px">As you see here , continuously invite is going on looping in 10.45.6.179 IP which is pcscf. What could be the reason .. Kindly do the needful.</div></div></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Apr 15, 2020, 2:19 PM David Villasmil <<a href="mailto:david.villasmil.work@gmail.com" target="_blank">david.villasmil.work@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div><div dir="auto">You should be tracing, you’re probably not, otherwise you would see the server is probably forwarding the INVITE to itself (removing one hop every time as it must) and thus creating a loop.</div></div><div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, 15 Apr 2020 at 09:42, Pavithra M <<a href="mailto:pavimohan3096@gmail.com" rel="noreferrer" target="_blank">pavimohan3096@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">Hi ,<div>Yes , I have tried uncommenting that part . It is actually checking for hostname (<a href="http://sip.example.com:5060" rel="noreferrer" target="_blank">sip.example.com:5060</a>) in my scscf node. I am not sure why it is looking for <a href="http://sip.example.com" rel="noreferrer" target="_blank">sip.example.com</a> instead of <a href="http://scscf.sip.example.com:4080" rel="noreferrer" target="_blank">scscf.sip.example.com:4080</a></div><div><br></div><div>I have added one more alias in my scscf.cfg file .Now Domain not served issue has gone.</div><div>After that I am facing 483 Too Many Hops Error.</div><div><br></div><div>I have added scscf debug logs.</div><div><br></div><div><div style="box-sizing:border-box;font-family:"Segoe UI",system-ui,"Apple Color Emoji","Segoe UI Emoji",sans-serif;font-size:14px">Apr 15 13:59:12 tel-VirtualBox kamailio[7139]: DEBUG: <core> [core/mem/q_malloc.c:482]: qm_free(): qm_free(0x7fc57b362010, 0x7fc57b514138), called from ims_registrar_scscf: lookup.c: lookup(225)<br>

Apr 15 13:59:12 tel-VirtualBox kamailio[7139]: DEBUG: <core> [core/mem/q_malloc.c:526]: qm_free(): freeing frag. 0x7fc57b514100 alloc'ed from ims_registrar_scscf: lookup.c: lookup(103)<br>

Apr 15 13:59:12 tel-VirtualBox kamailio[7139]: ERROR: *** cfgtrace:request_route=[FINAL_TERM] c=[/etc/kamailio/scscf/kamailio.cfg] l=1041 a=16 n=if<br><b style="font-family:"Segoe UI",system-ui,"Apple Color Emoji","Segoe UI Emoji",sans-serif">

Apr 15 13:59:12 tel-VirtualBox kamailio[7139]: DEBUG: <core> [core/socket_info.c:628]: grep_sock_info(): checking if host==us: 10==10 && [10.45.6.75] == [10.45.6.73]</b><br><b style="font-family:"Segoe UI",system-ui,"Apple Color Emoji","Segoe UI Emoji",sans-serif">

Apr 15 13:59:12 tel-VirtualBox kamailio[7139]: DEBUG: <core> [core/socket_info.c:635]: grep_sock_info(): checking if port 4080 (advertise 0) matches port 32347</b><br><b style="font-family:"Segoe UI",system-ui,"Apple Color Emoji","Segoe UI Emoji",sans-serif">

Apr 15 13:59:12 tel-VirtualBox kamailio[7139]: DEBUG: <core> [core/forward.c:412]: check_self(): host != me</b><br>

Apr 15 13:59:12 tel-VirtualBox kamailio[7139]: ERROR: *** cfgtrace:request_route=[FINAL_TERM] c=[/etc/kamailio/scscf/kamailio.cfg] l=1050 a=5 n=route<br>

Apr 15 13:59:12 tel-VirtualBox kamailio[7139]: ERROR: *** cfgtrace:request_route=[apply_privacy] c=[/etc/kamailio/scscf/kamailio.cfg] l=821 a=16 n=if<br>

Apr 15 13:59:12 tel-VirtualBox kamailio[7139]: ERROR: *** cfgtrace:request_route=[apply_privacy] c=[/etc/kamailio/scscf/kamailio.cfg] l=818 a=25 n=is_present_hf<br>

Apr 15 13:59:12 tel-VirtualBox kamailio[7139]: ERROR: *** cfgtrace:request_route=[FINAL_TERM] c=[/etc/kamailio/scscf/kamailio.cfg] l=1052 a=24 n=t_relay<br>

Apr 15 13:59:12 tel-VirtualBox kamailio[7139]: DEBUG: tm [t_lookup.c:1328]: t_newtran(): msg (0x7fc57b502a70) id=2/7139 global id=2/7139 T start=(nil)<br>

Apr 15 13:59:12 tel-VirtualBox kamailio[7139]: DEBUG: tm [t_lookup.c:497]: t_lookup_request(): start searching: hash=38849, isACK=0<br><b style="font-family:"Segoe UI",system-ui,"Apple Color Emoji","Segoe UI Emoji",sans-serif">

Apr 15 13:59:12 tel-VirtualBox kamailio[7139]: DEBUG: tm [t_lookup.c:455]: matching_3261(): RFC3261 transaction matching failed - via branch [z9hG4bK1c79.03e4ec0c2ca15f1aa14c067b33a29f10.1]</b><br>

Apr 15 13:59:12 tel-VirtualBox kamailio[7139]: DEBUG: tm [t_lookup.c:675]: t_lookup_request(): no transaction found<br>

Apr 15 13:59:12 tel-VirtualBox kamailio[7139]: DEBUG: <core> [core/mem/q_malloc.c:374]: qm_malloc(): qm_malloc(0x7fc57478b000, 5720) called from tm: h_table.c: build_cell(330)<br>   </div></div><div style="box-sizing:border-box;font-family:"Segoe UI",system-ui,"Apple Color Emoji","Segoe UI Emoji",sans-serif;font-size:14px">I am facing host is not me error . Here 10.45.6.73 -> scscf and 10.45.6.75 -> UE (bob user)</div><div style="box-sizing:border-box;font-family:"Segoe UI",system-ui,"Apple Color Emoji","Segoe UI Emoji",sans-serif;font-size:14px">I am not sure what alias it is asking for . Kindly help.</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Apr 15, 2020 at 1:36 PM Pafel <<a href="mailto:pafels@gmail.com" rel="noreferrer" target="_blank">pafels@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">Hi, <br><br>Most likely this is because of the change. Revert back the changes (uncomment the section I told you), turn on debug in scscf.cfg, restart all nodes and test once again. Then have a look on the scscf logs. <div><br></div><div>Regards,</div><div>Pavel Siderov</div></div>
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</blockquote></div></div>-- <br><div dir="ltr"><div dir="ltr"><div>Regards,</div><div><br></div>David Villasmil<div>email: <a href="mailto:david.villasmil.work@gmail.com" rel="noreferrer" target="_blank">david.villasmil.work@gmail.com</a></div><div>phone: +34669448337</div></div></div>
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