If I take your example and set the ACK R-URI to match the contact of the 487 the problem
looks to clear. SHOULD this be required, I'm not sure. I've never used topoh,
but I'd say to check this in your real-world examples comparing working phones to
non-working phones.
Regards,
Kaufman
________________________________
From: Ale via sr-users <sr-users(a)lists.kamailio.org>
Sent: Monday, October 28, 2024 12:05 PM
To: Kamailio (SER) - Users Mailing List <sr-users(a)lists.kamailio.org>
Cc: Ale <ale975(a)gmail.com>
Subject: [SR-Users] Re: Failed to parse the R-URI with topoh enabled
CAUTION: This email originated from outside the organization. Do not click links or open
attachments unless you recognize the sender and know the content is safe.
Hi Ben,
I understand your point of view.
As suggested I created a repository, so as to recreate the problem.
https://github.com/beres/kamailio_tmp_topoh
To/From all seems normal to me, which is why I don't understand. Maybe it has nothing
to do with topoh, but if active in certain cases it doesn't work.
This is a copy of an ACK taken from production
```
ACK sip:rs4xe4w4@client_ip:2048;line=kkqgarrj SIP/2.0
Via: SIP/2.0/UDP proxy_ip;branch=z9hG4bKc4aa.897ab3d4c4434cc636cb12e0c390a81a.0
Route: <sip:kamailio_ip:5060;lr;received=sip:client_ip:2048>
Max-Forwards: 66
From: <sip:phone_number@domain.tld>;tag=y3QX10D10tyQH
To: <sip:rs4xe4w4@domain.tld>;tag=31fhufhtrn
Call-ID: 04b3fa08-b9b4-43fe-b04a-cbe03bd5dc2d
CSeq: 90508938 ACK
Content-Length: 0
```
Thank you
On Thu, Oct 24, 2024 at 3:45 PM Ben Kaufman
<bkaufman@bcmone.com<mailto:bkaufman@bcmone.com>> wrote:
I'd think your goal at this point should be to simplify the config to the smallest
possible config that can produce the questionable behavior, and then provide that entire
config file (even better, implement this in docker compose, using something like sipp to
emulate your UAs, so that the behavior can be easily reproduced by anyone). If the config
is too big to reasonably present in an email, then just put the sample code on github.
Several points with the sample config you cite. This thread subject says that the error
is with topoh enabled, but the code snippet presented provides neither module parameters
for topoh, nor any call to topoh functions. Why are you asserting that topoh is the
problem?
Your second line is a call to route(REQINIT), with no information on what happens in that
route. While we can guess that it's the same as the default config file, there's
no way to know for sure.
It's also not clear why the nat functions and add_path_received() are in this config
as it relates to this problem.
Start removing all of this for problem isolation until you can identify where the problem
is occuring. I'd also be curious if the error in question is really a result of
parsing the ACK or if it's something else (trying to pull $ru off of a reply generates
some kind of error like this I think).
Finally, although it's not the RURI, WHAT is with the scheme on the URIs in your To:
and From: headers? 'Mailto"?
Regards,
Kaufman
________________________________
From: Ale via sr-users
<sr-users@lists.kamailio.org<mailto:sr-users@lists.kamailio.org>>
Sent: Thursday, October 24, 2024 8:12 AM
To: Kamailio (SER) - Users Mailing List
<sr-users@lists.kamailio.org<mailto:sr-users@lists.kamailio.org>>
Cc: Ale <ale975@gmail.com<mailto:ale975@gmail.com>>
Subject: [SR-Users] Re: Failed to parse the R-URI with topoh enabled
CAUTION: This email originated from outside the organization. Do not click links or open
attachments unless you recognize the sender and know the content is safe.
Hi Victor,
I tested 5.7.6 and 5.8.3 and got the same results.
At the moment request_route is very simple.
request_route {
xlog("L_INFO", ">> $ru from $fu\n");
route(REQINIT);
force_rport();
if(!ds_is_from_list()) {
if( !loose_route() ) {
if( !ds_select_dst(DEFAULT_ROUTE, "1") ) {
drop();
}
}
if (nat_uac_test("19")) {
if (method=="REGISTER") {
fix_nated_register();
} else {
fix_nated_contact();
}
}
add_path_received();
}
record_route();
forward();
}
This is the logs of ack
DEBUG: [1 90333697 ACK ...] <core> [core/receive.c:263]: ksr_evrt_pre_routing():
event route core:pre-routing not defined
DEBUG: [1 90333697 ACK ...] <core> [core/receive.c:474]: receive_msg(): preparing to
run routing scripts...
DEBUG: [1 90333697 ACK ...] sl [sl_funcs.c:455]: sl_filter_ACK(): too late to be a local
ACK!
[137B blob data]
[134B blob data]
ERROR: [1 90333697 ACK ...] pv [pv_core.c:261]: pv_get_ruri(): failed to parse the R-URI
DEBUG: [1 90333697 ACK ...] <core> [core/parser/parse_addr_spec.c:185]:
parse_to_param(): add param: tag=BrQ6ZyDyQHQmN
DEBUG: [1 90333697 ACK ...] <core> [core/parser/parse_addr_spec.c:904]:
parse_addr_spec(): end of header reached, state=29
Could this be a bug or did I miss something?
On Wed, Oct 23, 2024 at 4:47 PM Victor Seva via sr-users
<sr-users@lists.kamailio.org<mailto:sr-users@lists.kamailio.org>> wrote:
Hi,
I would suggest to try a more recent Kamailio version first.
On 23/10/24 14:21, Ale via sr-users wrote:
Hi All,
I think I have a problem with topoh, but I can't identify it.
Kamailio 5.6.6, used as a stateless proxy, receives a 487 from a phone and propagates it
correctly.
Next comes the ack that should be forwarded back to the phone, but instead it doesn't
forward it and produces the following error "pv_get_ruri(): failed to parse the
R-URI"
The error is generated by xlog("...$ru from $fu...\n"") as first line of
request_route.
If I disable topoh everything works perfectly.Topoh is only configured with mask_key
only.
Furthermore, not all phones generate this problem, at the moment there are some snoms.
ACK sip:user@phone_ip:2048;line=kkqgarrj SIP/2.0
Via: SIP/2.0/UDP proxy_sip_ip;branch=z9hG4bK2ec.e7126a3134bef9d974f57dd43ebd4ea2.0
Route: <sip:kamailio_ip:5060;lr;received=sip:phone_ip:2048>
Max-Forwards: 66
From: <sip:111111111@sip.example.com<mailto:sip%3A111111111@sip.example.com>
<mailto:sip%3A111111111@sip.example.com<mailto:sip%253A111111111@sip.example.com>>>;tag=pDc1BQ0B57Ujj
To: <sip:user@sip.example.com<mailto:sip%3Auser@sip.example.com>
<mailto:sip%3Auser@sip.example.com<mailto:sip%253Auser@sip.example.com>>>;tag=vslvowy4y2
Call-ID: 40a6c905-c0c8-4c20-b3f7-397b3fce58b6
CSeq: 90285584 ACK
Content Length: 0
There is no difference between the ACK of the snom and other phones that work.
The only difference I noticed is that the snom 487 contains Contact field in the
header.
Any suggestions? Thank you
--
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| ,''`. Victor Seva |
| : :' :
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| `- Debian Developer |
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