<p></p>
<p><strong>Description</strong><br>
We use below config to test the topology hiding function，when kamailio receive “update” message，doesn't send out，it will send to itself with destination port 5060；</p>
<p><strong>Troubleshooting</strong><br>
loadmodule "ndb_redis.so"<br>
loadmodule "topos_redis.so"<br>
loadmodule "topos.so"<br>
modparam("ndb_redis", "server", "name=srv8;addr=127.0.0.1;port=6381;db=2")<br>
modparam("topos", "storage", "redis")<br>
modparam("topos", "db_url", "redis://127.0.0.1:6381/2")<br>
modparam("topos_redis", "serverid", "srv8")</p>
<hr>
<p>Call flow<br>
UE-----------------PROXY-------------B2bua<br>
invite-------------->|------------------>invite<br>
183<----------------|<------------------183<br>
Prack------------ ->|------------------>Prack<br>
200ok<-------------|<-----------------200ok<br>
update1---------->|-------------|<br>
|update2<---|<br>
404<---------------|</p>
<p><strong>update1:</strong><br>
UPDATE sip:atpsh-5fc1a2c3-5749-2@172.18.67.40 SIP/2.0<br>
Via: SIP/2.0/UDP 172.18.67.34:5062;branch=z9hG4bK-15000-1-0<br>
From: tel:+8618768860000;tag=1<br>
To: tel:32001232;phone-context=ims.mnc002.mcc460.3gppnetwork.org;tag=BH83c9DQXKgvp<br>
Call-ID: 1-15000@172.18.67.34<br>
CSeq: 1002 UPDATE<br>
Allow: INVITE,ACK,OPTIONS,BYE,CANCEL,UPDATE,INFO,PRACK,NOTIFY,MESSAGE,REFER<br>
Contact: sip:+8618768860000@172.18.67.34:5062;zte-did=8-11-20481-2871-12-666-65535;Hpt=8ec8_16;CxtId=4;TRC=ffffff-ffffffff;audio;vid<br>
;+sip.instance="urn:gsma:imei:86183004-974965-0";+g.3gpp.mid-call;+g.3gpp.srvcc-alerting;+g.3gpp.pss-srvcc-orig-pre-alerting;+g.3gpp<br>
csi-ref="urn%3Aurn-7%3A3gpp-service.ims.icsi.mmtel"</p>
<p><strong>update2:</strong></p>
<p>UPDATE sip:172.18.67.50;r2=on;lr=on;ftag=1;did=874.5af1;vsf=BwwcABoAAQcADwAICAYAcAEHMi4xOC42Ny4zNA-- SIP/2.0<br>
Via: SIP/2.0/UDP 172.18.67.40:55067;branch=z9hG4bK296a.feb7a8004f743a745739026289e0010e.0<br>
From: tel:+8618768860000;tag=1<br>
To: tel:32001232;phone-context=ims.mnc002.mcc460.3gppnetwork.org;tag=BH83c9DQXKgvp<br>
Call-ID: 1-15000@172.18.67.34<br>
CSeq: 1002 UPDATE<br>
Allow: INVITE,ACK,OPTIONS,BYE,CANCEL,UPDATE,INFO,PRACK,NOTIFY,MESSAGE,REFER<br>
Max-Forwards: 70<br>
Require: precondition<br>
Supported: histinfo,replaces,precondition,100rel,timer<br>
User-Agent: IM-client/OMA1.0 HW-Rto/V1.0<br>
P-Access-Network-Info: 3GPP-E-UTRAN;utran-cell-id-3gpp=4600039c6b98855b;network-provided;sbc-domain=luypsbc22bzx.0371.101.ha.chinamobi<br>
.com<br>
P-Charging-Vector: icid-value=No1ZR2PilD-0000a442-0d-0000816e-001;orig-ioi=chinamobile<br>
Content-Type: application/sdp<br>
Content-Disposition: session<br>
Content-Length:   743<br>
Contact: sip:btpsh-5fc1a2c3-5749-2@172.18.67.50</p>
<p>below ip and port are configured for kamailio;<br>
172.18.67.40:55067<br>
172.18.67.50:5060</p>
<p><strong>Additional Information</strong><br>
version: kamailio 5.4.2 (x86_64/linux)<br>
flags: USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, USE_RAW_SOCKS, DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MMAP, PKG_MALLOC, Q_MALLOC, F_MALLOC, TLSF_MALLOC, DBG_SR_MEMORY, USE_FUTEX, FAST_LOCK-ADAPTIVE_WAIT, USE_DNS_CACHE, USE_DNS_FAILOVER, USE_NAPTR, USE_DST_BLACKLIST, HAVE_RESOLV_RES<br>
ADAPTIVE_WAIT_LOOPS 1024, MAX_RECV_BUFFER_SIZE 262144, MAX_URI_SIZE 1024, BUF_SIZE 65535, DEFAULT PKG_SIZE 8MB<br>
poll method support: poll, epoll_lt, epoll_et, sigio_rt, select.<br>
id:<br>
compiled on 20:13:39 Nov  9 2020 with gcc 4.8.5</p>

<p style="font-size:small;-webkit-text-size-adjust:none;color:#666;">—<br />You are receiving this because you are subscribed to this thread.<br />Reply to this email directly, <a href="https://github.com/kamailio/kamailio/issues/2655">view it on GitHub</a>, or <a href="https://github.com/notifications/unsubscribe-auth/ABO7UZLXTPY3V7CTMH64UZLTBNUBFANCNFSM4YMH756Q">unsubscribe</a>.<img src="https://github.com/notifications/beacon/ABO7UZKCWLAMTFE7MPPT27LTBNUBFA5CNFSM4YMH7562YY3PNVWWK3TUL52HS4DFUVEXG43VMWVGG33NNVSW45C7NFSM4MGMWW5A.gif" height="1" width="1" alt="" /></p>
<script type="application/ld+json">[
{
"@context": "http://schema.org",
"@type": "EmailMessage",
"potentialAction": {
"@type": "ViewAction",
"target": "https://github.com/kamailio/kamailio/issues/2655",
"url": "https://github.com/kamailio/kamailio/issues/2655",
"name": "View Issue"
},
"description": "View this Issue on GitHub",
"publisher": {
"@type": "Organization",
"name": "GitHub",
"url": "https://github.com"
}
}
]</script>