29 Nov
2013
29 Nov
'13
3:01 p.m.
Hello,
On 11/28/13 5:58 PM, Adnan wrote:
Hi,
1. After adding t_newtran() as shown below, some how this got fixed
i.e. ACK got routed.
However, we are disputed in considering t_newtran() to have caused the
fix.
if (is_method("ACK")) {
if (t_check_trans()) {
t_relay();
exit;
} else {
* t_newtran(); #<<<<NEW ADD>>>>*
exit;
}
I find that strange, end to end ACK does create any transaction anyhow.
Still the sip trace is what can reveal where is the issue.
2. Is there a frequently used tool remove the private
info. from the
snoop traces before sending in as debug info.
One way to remove the info, is to convert snoop to text and then
replace all IPs and passwords using sed but I need something less time
consuming.
Converting to text and find/replace is the way typically just works, sed
should do it quickly, another tool perhaps will end up in being another sed.
Daniel
Br
Adnan
On Wed, Nov 27, 2013 at 11:30 PM, Daniel-Constantin Mierla
<miconda(a)gmail.com <mailto:miconda@gmail.com>> wrote:
For further clarification, the Contact header is not relevant at
all (so not used) for routing current request (no matter is ACK or
something else). No Contact never results in misrouting. As Alex
pointed, only a full sip trace can reveal the problem.
Cheers,
Daniel
On 11/27/13 8:31 PM, Alex Balashov wrote:
--
Daniel-Constantin Mierla - http://www.asipto.com
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
The only way to diagnose this is to get a
full packet capture. In
all likelihood, there is a problem with the ACK. 4.0 does not, in
principle, mishandle ACKs, no, but loose-routing and NAT problems
related to their handling are not uncommon.
Adnan <112linuxstockholm(a)gmail.com>
<mailto:112linuxstockholm@gmail.com> wrote:
Hi,
We are migrating from our openser 1.4 to kamailio 4.0.3 and
have run into a couple of issues. One of them is described
below and we need to know if it is a known bug or not.
Kamailio receives an INVITE from a gateway and finally
responds with 200 OK. Then an ACK is generated by the gateway
towards the Kamailio that some how does not get relayed to
the next hop.
The only special aspect here is that the ACK does not contain
a Contact header. Is that something that could confuse
kamailio and make it unable to relay?
According to SIP RFC, a contact header in ACK is not a must
have. Our case is the one where ACK is sent by the UAC after
receiving a 200 OK final response. Everything else about the
ACK looks OK e.g. ACK has a branch different from the the
branch value in the UAC INVITE.
Is it a a known bug in 4.0.3?
In the configuration, we handle ACK as below:
if (is_method("ACK")) {
if (t_check_trans()) {
t_relay();
exit;
} else {
exit;
}
Br
Adnan
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--
Sent from my mobile, and thus lacking in the refinement one might
expect from a fully fledged keyboard.
Alex Balashov - Principal
Evariste Systems LLC
235 E Ponce de Leon Ave
Suite 106
Decatur, GA 30030
United States
Tel: +1-678-954-0671 <tel:%2B1-678-954-0671>
Web: http://www.evaristesys.com/, http://www.alexbalashov.com
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--
Daniel-Constantin Mierla -http://www.asipto.com
http://twitter.com/#!/miconda <http://twitter.com/#%21/miconda>
-http://www.linkedin.com/in/miconda
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