19 Dec
2023
19 Dec
'23
12:03 a.m.
Hi there,
Just to add to the above, I had a similar issue not so long ago where I was
getting replies to my OPTIONS from my dispatcher destinations, but then
they started rejecting them (for some unknown reason) causing all my dd's
to go into flag: IP state.
I just removed my probing to those carriers in the end. Not ideal, but it
solved my immediate issue.
I would confirm that the Teams Direct Routing endpoints reliably respond to
all OPTIONs packets first. Or maybe just disable the probing for now as the
default value for ds_probing_threshold is just "1" so any missed packets
will change the flag on a default dispatcher config.
Hope it helps.
John.
On Mon, 18 Dec 2023 at 20:57, Sergiu Pojoga via sr-users <
sr-users(a)lists.kamailio.org> wrote:
Here's my last and best trick, which eliminates
Kamailio entirely from
being the culprit:
*sipexer -options -contact-uri
"sip:customers.teamsphone.net:5061;transport=tls" -fd
"customers.teamsphone.net <http://customers.teamsphone.net>" -td
"sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls" \-tls-insecure
-tls-certificate "/usr/local/etc/kamailio/bundle.crt" -tls-key
"/usr/local/etc/kamailio/privkey.pem" \-xh "Max-Forwards: 70" -ua
"Ribbon-SIPGateway"
"sip:sip.pstnhub.microsoft.com:5061;transport=tls"*
If you don't get a reply from Microsoft.PSTNHub then something is
awkwardly wrong in your setup, not related to Kamailio, likely Teams
backend config or networking.
Note:
(1) adjust certs path to your case
(2) install sipexer if you don't have it:
https://github.com/miconda/sipexer
Regards,
Sergiu
--
*Teams PBX connector with full MS Direct Routing automation for service
providers**Web*: https://teamsphone.net
On Mon, Dec 18, 2023 at 3:23 PM faisal.jamil.khan--- via sr-users <
sr-users(a)lists.kamailio.org> wrote:
new updated list according to the SRV records and
after removing tls port.
1 sip:sip.pstnhub.microsoft.com;transport=tls 0 10
socket=tls:172.31.19.8;ping_from=sip:abcsbc.com
1 sip:sip2.pstnhub.microsoft.com;transport=tls 0 20
socket=tls:172.31.19.8;ping_from=sip:abcsbc.com
1 sip:sip3.pstnhub.microsoft.com;transport=tls 0 30
socket=tls:172.31.19.8;ping_from=sip:abcsbc.com
1 sip:sip4.pstnhub.microsoft.com;transport=tls 0 40
socket=tls:172.31.19.8;ping_from=sip:abcsbc.com
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