Hello Andrew,
4.1.x is really really old. Please update to a supported version of Kamailio,
e.g. from the 5.1 or 5.2 branch. There are many bugs fixed.
Cheers,
Henning
Am 11.04.19 um 22:36 schrieb Andrew Chen:
Hi all,
Got another anomaly in 4.1.5. I have this block of code which does t_relay_tcp:
if ($var(isTpgw) == 1)
{
xlog("L_INFO","[$ci][$mi][CSeq $cs] isTpgw = $var(isTpgw)");
if (!t_relay_to_tcp())
{
xlog("L_INFO","[$ci][$mi][CSeq $cs] $ua Relaying [$rm]
from ($si) to ($rd) via tcp....Error...\n");
t_on_failure("DISPATCHER_FAIL");
}
else
{
xlog("L_INFO","[$ci][$mi][CSeq $cs] $ua Relaying [$rm]
from ($si) to ($rd) via tcp\n");
}
}
But when I looked at my sip capture tool, it showed the Via marked by the Kam
to use UDP:
INVITE sip:######@<some domain>:5060 SIP/2.0
Record-Route: <sip:206.81.191.30;r2=on;lr=on>
Record-Route: <sip:206.81.191.30;transport=tcp;r2=on;lr=on>
Call-ID:
[email protected]<mailto:[email protected]>
To:
"sip:[email protected]<mailto:sip%[email protected]>"
<sip:[email protected]<mailto:sip%[email protected]>>
From: "LifesizeSIP"
<sip:[email protected]:5060<http://sip:[email protected]:5060>>;tag=DL325a9e10c7;epid=062EE468
CSeq: 1 INVITE
Max-Forwards: 69
Via: SIP/2.0/UDP
206.81.191.30;branch=z9hG4bKb16b.bd6a0791c798e3c859f8608993d584ae.1;i=5611
Via: SIP/2.0/TCP 10.101.199.105:5060;rport=53272;branch=z9hG4bK-fc8090ecf8-DL
206.81.191.30 is the Kam.
I also log the activity as seen in the code with those xlog:
Apr 11 19:38:37 sjomaintpsg50 /usr/local/sbin/kamailio[16348]: INFO: <script>:
[[email protected]<mailto:[email protected]>][42][CSeq
1] isTpgw = 1
Apr 11 19:38:37 sjomaintpsg50 /usr/local/sbin/kamailio[16348]: INFO: <script>:
[[email protected]<mailto:[email protected]>][42][CSeq
1] LifeSize Softphone 8.1.12 (Windows) Relaying [INVITE] from (10.101.19
9.105) to (206.81.191.72) via tcp
So why did the Kamailio mark the Via header on the outgoing INVITE UDP?
--
Andy Chen
Sr. Telephony Lead Engineer
achen@<mailto:[email protected]>fuze.com<http://fuze.com>
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--
Henning Westerholt - https://skalatan.de/blog/
Kamailio services - https://skalatan.de/services
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