[sr-dev] [SR-Users] Info: initialization of libssl 1.1.+ with PTHREAD_PROCESS_SHARED attribute for pthread mutex and rwlock
Andrew Chen
achen at fuze.com
Wed Sep 18 22:35:17 CEST 2019
Yup understood. I'll provide the bt when we can reproduce this.
Thanks
On Wed, Sep 18, 2019 at 4:32 PM Henning Westerholt <hw at skalatan.de> wrote:
> Hi Andrew,
>
> the 5.2.4 does not contain the 5.3-pre1 workaround yet.
>
> So if you test the workaround you need to install the lastest 5.3 from the
> git master debian repository.
>
> But nevertheless it would be good to look at the backtrace, while you have
> it.
>
> Cheers,
>
> Henning
> Am 18.09.19 um 22:10 schrieb Joel Serrano:
>
> Hi Andrew,
>
> Download from here:
> http://deb.kamailio.org/kamailio52/pool/main/k/kamailio/
>
> You have kamailio-dbg v5.2.4 (latest 5.2) for all distros...
>
> Example for amd64+stretch:
> http://deb.kamailio.org/kamailio52/pool/main/k/kamailio/kamailio-dbg_5.2.4%2Bstretch_amd64.deb
>
> Cheers,
> Joel.
>
>
>
>
>
> On Wed, Sep 18, 2019 at 12:16 PM Andrew Chen <achen at fuze.com> wrote:
>
>> Hi Henning,
>>
>> I'm running 5.2.4. Will this deb package work?
>>
>> On Wed, Sep 18, 2019 at 2:39 PM Andrew Chen <achen at fuze.com> wrote:
>>
>>> Thanks Henning
>>>
>>> On Wed, Sep 18, 2019 at 2:13 PM Henning Westerholt <hw at skalatan.de>
>>> wrote:
>>>
>>>> Hello Andrew,
>>>>
>>>> strange - it should be there, as it is available on deb.kamailio.org.
>>>>
>>>> Here e.g. the one for 64bit stretch:
>>>>
>>>>
>>>> https://deb.kamailio.org/kamailiodev-nightly/pool/main/k/kamailio/kamailio-dbg_5.3.0~pre1%2B0~20190918005413.1490%2Bstretch_amd64.deb
>>>>
>>>> Cheers,
>>>>
>>>> Henning
>>>> Am 18.09.19 um 18:52 schrieb Andrew Chen:
>>>>
>>>> I don't see one for debug:
>>>>
>>>> root at ashintgkama51:~ # apt-cache search kamailio
>>>>
>>>> resource-agents - Cluster Resource Agents
>>>>
>>>> kamailio - very fast, dynamic and configurable SIP server
>>>>
>>>> kamailio-autheph-modules - authentication using ephemeral credentials
>>>> for the Kamailio SIP server
>>>>
>>>> kamailio-berkeley-bin - Berkeley database module for Kamailio - helper
>>>> program
>>>>
>>>> kamailio-berkeley-modules - Berkeley database module for the Kamailio
>>>> SIP server
>>>>
>>>> kamailio-carrierroute-modules - carrierroute module for the Kamailio
>>>> SIP server
>>>>
>>>> kamailio-cnxcc-modules - cnxcc modules for the Kamailio SIP server
>>>>
>>>> kamailio-cpl-modules - CPL module (CPL interpreter engine) for the
>>>> Kamailio SIP server
>>>>
>>>> kamailio-erlang-modules - Erlang modules for the Kamailio SIP server
>>>>
>>>> kamailio-geoip-modules - geoip module for the Kamailio SIP Server
>>>>
>>>> kamailio-geoip2-modules - geoip2 module for the Kamailio SIP Server
>>>>
>>>> kamailio-ims-modules - IMS module for the Kamailio SIP server
>>>>
>>>> kamailio-json-modules - Json parser and Json-RPC modules for the
>>>> Kamailio SIP server
>>>>
>>>> On Wed, Sep 18, 2019 at 11:26 AM Daniel-Constantin Mierla <
>>>> miconda at gmail.com> wrote:
>>>>
>>>>> You have to install the debug symbols package, otherwise the backtrace
>>>>> doesn't show any useful information. It just require to install that
>>>>> package and then get again the backtraces. The package name should be
>>>>> kamailio-dbg.
>>>>>
>>>>> Cheers,
>>>>> Daniel
>>>>> On 18.09.19 16:37, Andrew Chen wrote:
>>>>>
>>>>> Sorry..forgot bt full output
>>>>>
>>>>> (gdb) bt full
>>>>>
>>>>> #0 0x0000562fcc3544c0 in ?? ()
>>>>>
>>>>> No symbol table info available.
>>>>>
>>>>> #1 0x0000562fcc354632 in ?? ()
>>>>>
>>>>> No symbol table info available.
>>>>>
>>>>> #2 0x0000562fcc354974 in local_timer_run ()
>>>>>
>>>>> No symbol table info available.
>>>>>
>>>>> #3 0x0000562fcc3fb256 in ?? ()
>>>>>
>>>>> No symbol table info available.
>>>>>
>>>>> #4 0x0000562fcc3fb64c in tcp_receive_loop ()
>>>>>
>>>>> No symbol table info available.
>>>>>
>>>>> #5 0x0000562fcc2acf52 in tcp_init_children ()
>>>>>
>>>>> No symbol table info available.
>>>>>
>>>>> #6 0x0000562fcc1ad94a in main_loop ()
>>>>>
>>>>> No symbol table info available.
>>>>>
>>>>> #7 0x0000562fcc1b4a7b in main ()
>>>>>
>>>>> No symbol table info available.
>>>>>
>>>>> (gdb)
>>>>>
>>>>> On Wed, Sep 18, 2019 at 10:35 AM Andrew Chen <achen at fuze.com> wrote:
>>>>>
>>>>>> backtrace output:
>>>>>>
>>>>>>
>>>>>> (gdb) bt
>>>>>>
>>>>>> #0 0x0000562fcc3544c0 in ?? ()
>>>>>>
>>>>>> #1 0x0000562fcc354632 in ?? ()
>>>>>>
>>>>>> #2 0x0000562fcc354974 in local_timer_run ()
>>>>>>
>>>>>> #3 0x0000562fcc3fb256 in ?? ()
>>>>>>
>>>>>> #4 0x0000562fcc3fb64c in tcp_receive_loop ()
>>>>>>
>>>>>> #5 0x0000562fcc2acf52 in tcp_init_children ()
>>>>>>
>>>>>> #6 0x0000562fcc1ad94a in main_loop ()
>>>>>>
>>>>>> #7 0x0000562fcc1b4a7b in main ()
>>>>>>
>>>>>> (gdb)
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> On Wed, Sep 18, 2019 at 10:01 AM Andrew Chen <achen at fuze.com> wrote:
>>>>>>
>>>>>>> I'll look for the core.
>>>>>>>
>>>>>>> As part of our release process, I don't think we can release master
>>>>>>> branch of Kamailio.
>>>>>>>
>>>>>>> On Wed, Sep 18, 2019 at 9:54 AM Daniel-Constantin Mierla <
>>>>>>> miconda at gmail.com> wrote:
>>>>>>>
>>>>>>>> Hello,
>>>>>>>>
>>>>>>>> did you get core files? If yes, it would be good to see the gdb
>>>>>>>> bracktraces.
>>>>>>>>
>>>>>>>> Have you used the pre-loaded library workaround?
>>>>>>>>
>>>>>>>> The code was not backported to branch 5.2 yet, I wanted to wait a
>>>>>>>> bit and see if there are reports with good/bad results. If you want to use
>>>>>>>> it, then you have to install nightly builds from master branch (development
>>>>>>>> version, should be 5.3.0-pre1 at this moment).
>>>>>>>>
>>>>>>>> Cheers,
>>>>>>>> Daniel
>>>>>>>> On 18.09.19 15:26, Andrew Chen wrote:
>>>>>>>>
>>>>>>>> Hi Daniel,
>>>>>>>> Which apt repository can we get this workaround? Today I noticed
>>>>>>>> our Kamailio 5.2.4 cored during one of our load test sessions:
>>>>>>>>
>>>>>>>> Wed Sep 18 09:31:14 2019] kamailio[26997]: segfault at
>>>>>>>> 7f8501366000 ip 00007f8501e58585 sp 00007fffd5c84248 error 4 in
>>>>>>>> libcrypto.so.1.1[7f8501dd4000+29b000]
>>>>>>>>
>>>>>>>> [Wed Sep 18 10:12:29 2019] kamailio[27110]: segfault at
>>>>>>>> 7f1a8eea1000 ip 00007f1a8f993585 sp 00007ffddc8848c8 error 4 in
>>>>>>>> libcrypto.so.1.1[7f1a8f90f000+29b000]
>>>>>>>>
>>>>>>>> [Wed Sep 18 10:12:43 2019] kamailio[11060]: segfault at 20 ip
>>>>>>>> 00007f0a85dac128 sp 00007fff6847aad0 error 4 in
>>>>>>>> libcrypto.so.1.1[7f0a85c40000+29b000]
>>>>>>>>
>>>>>>>> [Wed Sep 18 10:12:44 2019] kamailio[11059]: segfault at f0 ip
>>>>>>>> 00007f0a85cc43ea sp 00007fff6847a9e8 error 4 in
>>>>>>>> libcrypto.so.1.1[7f0a85c40000+29b000]
>>>>>>>>
>>>>>>>> [Wed Sep 18 10:13:02 2019] kamailio[11187]: segfault at
>>>>>>>> 7f75e06c8000 ip 00007f75e11ba585 sp 00007ffe29b47c88 error 4 in
>>>>>>>> libcrypto.so.1.1[7f75e1136000+29b000]
>>>>>>>>
>>>>>>>> [Wed Sep 18 10:13:17 2019] kamailio[11445]: segfault at
>>>>>>>> 7f0f3743f000 ip 00007f0f37f31585 sp 00007ffde54daa38 error 4 in
>>>>>>>> libcrypto.so.1.1[7f0f37ead000+29b000]
>>>>>>>>
>>>>>>>> [Wed Sep 18 10:13:36 2019] kamailio[11644]: segfault at
>>>>>>>> 7f804309c000 ip 00007f8043b8e585 sp 00007ffe89fe8228 error 4 in
>>>>>>>> libcrypto.so.1.1[7f8043b0a000+29b000]
>>>>>>>>
>>>>>>>> [Wed Sep 18 10:13:52 2019] kamailio[11799]: segfault at
>>>>>>>> 7ff59c7e2000 ip 00007ff59d2d4585 sp 00007ffd69d76bb8 error 4 in
>>>>>>>> libcrypto.so.1.1[7ff59d250000+29b000]
>>>>>>>>
>>>>>>>> [Wed Sep 18 10:13:52 2019] kamailio[11792]: segfault at
>>>>>>>> 7ff59c7e2000 ip 00007ff59d2d4585 sp 00007ffd69d76bb8 error 4 in
>>>>>>>> libcrypto.so.1.1[7ff59d250000+29b000]
>>>>>>>>
>>>>>>>> [Wed Sep 18 12:48:01 2019] kamailio[12066]: segfault at
>>>>>>>> 7f22dca6d000 ip 00007f22dd55f585 sp 00007fffbc766ab8 error 4 in
>>>>>>>> libcrypto.so.1.1[7f22dd4db000+29b000]
>>>>>>>>
>>>>>>>> [Wed Sep 18 12:48:14 2019] kamailio[16344]: segfault at
>>>>>>>> 7f7cca42d000 ip 00007f7ccaf1f585 sp 00007ffe99f16108 error 4 in
>>>>>>>> libcrypto.so.1.1[7f7ccae9b000+29b000]
>>>>>>>>
>>>>>>>> [Wed Sep 18 12:48:32 2019] kamailio[16708]: segfault at
>>>>>>>> 7fb309141000 ip 00007fb309c33585 sp 00007ffd07a5f3c8 error 4 in
>>>>>>>> libcrypto.so.1.1[7fb309baf000+29b000]
>>>>>>>>
>>>>>>>> [Wed Sep 18 12:48:49 2019] kamailio[16824]: segfault at f0 ip
>>>>>>>> 00007fc59095b3ea sp 00007ffe58a490b8 error 4 in
>>>>>>>> libcrypto.so.1.1[7fc5908d7000+29b000]
>>>>>>>>
>>>>>>>> [Wed Sep 18 12:49:04 2019] kamailio[16956]: segfault at
>>>>>>>> 7fcc22e58000 ip 00007fcc2394a585 sp 00007fffa9c52258 error 4 in
>>>>>>>> libcrypto.so.1.1[7fcc238c6000+29b000]
>>>>>>>>
>>>>>>>> [Wed Sep 18 12:49:04 2019] kamailio[16945]: segfault at f0 ip
>>>>>>>> 00007fcc2394a3ea sp 00007fffa9c52128 error 4 in
>>>>>>>> libcrypto.so.1.1[7fcc238c6000+29b000]
>>>>>>>>
>>>>>>>> [Wed Sep 18 12:49:16 2019] kamailio[17244]: segfault at
>>>>>>>> 7f586ed20000 ip 00007f586f812585 sp 00007ffeae1adcd8 error 4 in
>>>>>>>> libcrypto.so.1.1[7f586f78e000+29b000]
>>>>>>>>
>>>>>>>> [Wed Sep 18 12:49:33 2019] kamailio[17431]: segfault at 8 ip
>>>>>>>> 0000562fcc44c5d5 sp 00007ffe825c9dd0 error 4 in
>>>>>>>> kamailio[562fcc17c000+4a2000]
>>>>>>>>
>>>>>>>> [Wed Sep 18 12:49:33 2019] kamailio[17386]: segfault at 10 ip
>>>>>>>> 00007f96c3735c3e sp 00007ffe825ca270 error 4 in
>>>>>>>> dialog.so[7f96c36d6000+be000]
>>>>>>>>
>>>>>>>> [Wed Sep 18 12:49:33 2019] kamailio[17423]: segfault at 0 ip
>>>>>>>> 0000562fcc3544c0 sp 00007ffe825ca1f0 error 6 in
>>>>>>>> kamailio[562fcc17c000+4a2000]
>>>>>>>>
>>>>>>>> [Wed Sep 18 12:49:33 2019] kamailio[17378]: segfault at 0 ip
>>>>>>>> 00007f96c5dd099f sp 00007ffe825c98e0 error 4 in tm.so[7f96c5da5000+13f000]
>>>>>>>>
>>>>>>>> [Wed Sep 18 12:49:33 2019] kamailio[17417]: segfault at 0 ip
>>>>>>>> 0000562fcc3544c0 sp 00007ffe825ca1f0 error 6 in
>>>>>>>> kamailio[562fcc17c000+4a2000]
>>>>>>>>
>>>>>>>> [Wed Sep 18 12:49:33 2019] kamailio[17416]: segfault at 0 ip
>>>>>>>> 0000562fcc3544c0 sp 00007ffe825ca1f0 error 6 in
>>>>>>>> kamailio[562fcc17c000+4a2000]
>>>>>>>>
>>>>>>>> [Wed Sep 18 12:49:33 2019] kamailio[17380]: segfault at 0 ip
>>>>>>>> 00007f96c5dd099f sp 00007ffe825c98e0 error 4 in tm.so[7f96c5da5000+13f000]
>>>>>>>>
>>>>>>>> [Wed Sep 18 12:49:33 2019] kamailio[17381]: segfault at 0 ip
>>>>>>>> 00007f96c5dd099f sp 00007ffe825c98e0 error 4 in tm.so[7f96c5da5000+13f000]
>>>>>>>>
>>>>>>>> [Wed Sep 18 12:49:34 2019] kamailio[17387]: segfault at 8 ip
>>>>>>>> 0000562fcc25d1f3 sp 00007ffe825ca370 error 6 in
>>>>>>>> kamailio[562fcc17c000+4a2000]
>>>>>>>>
>>>>>>>>
>>>>>>>> and I was wondering if this core is related.
>>>>>>>>
>>>>>>>> Thanks
>>>>>>>>
>>>>>>>>
>>>>>>>> On Fri, Sep 13, 2019 at 5:18 PM Alex Balashov <
>>>>>>>> abalashov at evaristesys.com> wrote:
>>>>>>>>
>>>>>>>>> Hi Daniel,
>>>>>>>>>
>>>>>>>>> Thanks a lot for this work; it's definitely important that Kamailio
>>>>>>>>> build against OpenSSL v1.1, and I'll be happy to contribute some
>>>>>>>>> testing
>>>>>>>>> in a live environment in the coming weeks. Much appreciated.
>>>>>>>>>
>>>>>>>>> Have a good weekend,
>>>>>>>>>
>>>>>>>>> -- Alex
>>>>>>>>>
>>>>>>>>> On Fri, Sep 13, 2019 at 01:34:12PM +0200, Daniel-Constantin Mierla
>>>>>>>>> wrote:
>>>>>>>>>
>>>>>>>>> > Hello,
>>>>>>>>> > after couple of months waiting for feedback about the workaround
>>>>>>>>> with the
>>>>>>>>> > preloaded shared library to set the PTHREAD_PROCESS_SHARED
>>>>>>>>> attribute for
>>>>>>>>> > pthread mutex/rwlock in order to avoid deadlocks and as it seems
>>>>>>>>> to be the
>>>>>>>>> > solution, I just pushed a few commits to move that code in the
>>>>>>>>> core of
>>>>>>>>> > kamailio.
>>>>>>>>> >
>>>>>>>>> > It this way the initialization with the PTHREAD_PROCESS_SHARED
>>>>>>>>> attribute is
>>>>>>>>> > done by default when libssl v1.1 is detected at compile time,
>>>>>>>>> without the
>>>>>>>>> > need of using the approach with a preloaded library.
>>>>>>>>> >
>>>>>>>>> > The shared library is still kept in the tls module:
>>>>>>>>> > *
>>>>>>>>> >
>>>>>>>>> https://github.com/kamailio/kamailio/tree/master/src/modules/tls/utils/openssl_mutex_shared
>>>>>>>>> >
>>>>>>>>> > Probably is going to be removed in the near future.
>>>>>>>>> >
>>>>>>>>> > I am asking the community members that use Kamailio on systems
>>>>>>>>> with libssl
>>>>>>>>> > v1.1+ to test the master branch and give feedback. The master
>>>>>>>>> branch is
>>>>>>>>> > anyhow in testing phase for preparing the next major release
>>>>>>>>> v5.3.0, so it
>>>>>>>>> > will help for that as well.
>>>>>>>>> >
>>>>>>>>> > If no issue is going to be reported soon, the commits will be
>>>>>>>>> backported to
>>>>>>>>> > stable branches, to re-enable smooth use of Kamailio with libssl
>>>>>>>>> v1.1+.
>>>>>>>>> >
>>>>>>>>> > When libssl v1.1+ is detected, the core links with pthread, but
>>>>>>>>> that was
>>>>>>>>> > already present in the Makefiles.defs for different compile
>>>>>>>>> options. The
>>>>>>>>> > pthread more or less a default library on linuxes/unixes, so
>>>>>>>>> this should
>>>>>>>>> > not introduce any major dependency to the Kamailio core.
>>>>>>>>> >
>>>>>>>>> > Cheers,
>>>>>>>>> > Daniel
>>>>>>>>> >
>>>>>>>>> > --
>>>>>>>>> > Daniel-Constantin Mierla - http://www.asipto.com
>>>>>>>>> > http://twitter.com/#!/miconda -
>>>>>>>>> http://www.linkedin.com/in/miconda
>>>>>>>>>
>>>>>>>>> > _______________________________________________
>>>>>>>>> > Kamailio (SER) - Users Mailing List
>>>>>>>>> > sr-users at lists.kamailio.org
>>>>>>>>> > https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> --
>>>>>>>>> Alex Balashov | Principal | Evariste Systems LLC
>>>>>>>>>
>>>>>>>>> Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free)
>>>>>>>>> Web: http://www.evaristesys.com/, http://www.csrpswitch.com/
>>>>>>>>>
>>>>>>>>> _______________________________________________
>>>>>>>>> Kamailio (SER) - Users Mailing List
>>>>>>>>> sr-users at lists.kamailio.org
>>>>>>>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> --
>>>>>>>> Andy Chen
>>>>>>>> Sr. Telephony Lead Engineer
>>>>>>>> 415 516 5535 (M)
>>>>>>>> achen@ <achen at thinkingphones.com>fuze.com
>>>>>>>>
>>>>>>>>
>>>>>>>> *Confidentiality Notice: The information contained in this e-mail
>>>>>>>> and any
>>>>>>>> attachments may be confidential. If you are not an intended
>>>>>>>> recipient, you
>>>>>>>> are hereby notified that any dissemination, distribution or copying
>>>>>>>> of this
>>>>>>>> e-mail is strictly prohibited. If you have received this e-mail in
>>>>>>>> error,
>>>>>>>> please notify the sender and permanently delete the e-mail and any
>>>>>>>> attachments immediately. You should not retain, copy or use this
>>>>>>>> e-mail or
>>>>>>>> any attachment for any purpose, nor disclose all or any part of the
>>>>>>>> contents to any other person. Thank you.*
>>>>>>>>
>>>>>>>> _______________________________________________
>>>>>>>> Kamailio (SER) - Users Mailing Listsr-users at lists.kamailio.orghttps://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>>>>>>>
>>>>>>>> --
>>>>>>>> Daniel-Constantin Mierla -- www.asipto.comwww.twitter.com/miconda -- www.linkedin.com/in/miconda
>>>>>>>> Kamailio Advanced Training, Oct 21-23, 2019, Berlin, Germany -- https://asipto.com/u/kat
>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>> --
>>>>>>> Andy Chen
>>>>>>> Sr. Telephony Lead Engineer
>>>>>>> 415 516 5535 (M)
>>>>>>> achen@ <achen at thinkingphones.com>fuze.com
>>>>>>>
>>>>>>>
>>>>>>
>>>>>> --
>>>>>> Andy Chen
>>>>>> Sr. Telephony Lead Engineer
>>>>>> 415 516 5535 (M)
>>>>>> achen@ <achen at thinkingphones.com>fuze.com
>>>>>>
>>>>>>
>>>>>
>>>>> --
>>>>> Andy Chen
>>>>> Sr. Telephony Lead Engineer
>>>>> 415 516 5535 (M)
>>>>> achen@ <achen at thinkingphones.com>fuze.com
>>>>>
>>>>>
>>>>> *Confidentiality Notice: The information contained in this e-mail and
>>>>> any
>>>>> attachments may be confidential. If you are not an intended recipient,
>>>>> you
>>>>> are hereby notified that any dissemination, distribution or copying of
>>>>> this
>>>>> e-mail is strictly prohibited. If you have received this e-mail in
>>>>> error,
>>>>> please notify the sender and permanently delete the e-mail and any
>>>>> attachments immediately. You should not retain, copy or use this
>>>>> e-mail or
>>>>> any attachment for any purpose, nor disclose all or any part of the
>>>>> contents to any other person. Thank you.*
>>>>>
>>>>> --
>>>>> Daniel-Constantin Mierla -- www.asipto.comwww.twitter.com/miconda -- www.linkedin.com/in/miconda
>>>>> Kamailio Advanced Training, Oct 21-23, 2019, Berlin, Germany -- https://asipto.com/u/kat
>>>>>
>>>>>
>>>>
>>>> --
>>>> Andy Chen
>>>> Sr. Telephony Lead Engineer
>>>> 415 516 5535 (M)
>>>> achen@ <achen at thinkingphones.com>fuze.com
>>>>
>>>>
>>>> *Confidentiality Notice: The information contained in this e-mail and
>>>> any
>>>> attachments may be confidential. If you are not an intended recipient,
>>>> you
>>>> are hereby notified that any dissemination, distribution or copying of
>>>> this
>>>> e-mail is strictly prohibited. If you have received this e-mail in
>>>> error,
>>>> please notify the sender and permanently delete the e-mail and any
>>>> attachments immediately. You should not retain, copy or use this e-mail
>>>> or
>>>> any attachment for any purpose, nor disclose all or any part of the
>>>> contents to any other person. Thank you.*
>>>>
>>>> _______________________________________________
>>>> Kamailio (SER) - Users Mailing Listsr-users at lists.kamailio.orghttps://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>>>
>>>> --
>>>> Kamailio Merchandising - https://skalatan.de/merchandising/
>>>> Kamailio services - https://skalatan.de/services
>>>> Henning Westerholt - https://skalatan.de/blog/
>>>>
>>>>
>>>
>>> --
>>> Andy Chen
>>> Sr. Telephony Lead Engineer
>>> 415 516 5535 (M)
>>> achen@ <achen at thinkingphones.com>fuze.com
>>>
>>>
>>
>> --
>> Andy Chen
>> Sr. Telephony Lead Engineer
>> 415 516 5535 (M)
>> achen@ <achen at thinkingphones.com>fuze.com
>>
>>
>> *Confidentiality Notice: The information contained in this e-mail and any
>> attachments may be confidential. If you are not an intended recipient, you
>> are hereby notified that any dissemination, distribution or copying of
>> this
>> e-mail is strictly prohibited. If you have received this e-mail in error,
>> please notify the sender and permanently delete the e-mail and any
>> attachments immediately. You should not retain, copy or use this e-mail or
>> any attachment for any purpose, nor disclose all or any part of the
>> contents to any other person. Thank you.*
>> _______________________________________________
>> Kamailio (SER) - Users Mailing List
>> sr-users at lists.kamailio.org
>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>
> --
> Kamailio Merchandising - https://skalatan.de/merchandising/
> Kamailio services - https://skalatan.de/services
> Henning Westerholt - https://skalatan.de/blog/
>
>
--
Andy Chen
Sr. Telephony Lead Engineer
415 516 5535 (M)
achen@ <achen at thinkingphones.com>fuze.com
--
*Confidentiality Notice: The information contained in this e-mail and any
attachments may be confidential. If you are not an intended recipient, you
are hereby notified that any dissemination, distribution or copying of this
e-mail is strictly prohibited. If you have received this e-mail in error,
please notify the sender and permanently delete the e-mail and any
attachments immediately. You should not retain, copy or use this e-mail or
any attachment for any purpose, nor disclose all or any part of the
contents to any other person. Thank you.*
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.kamailio.org/pipermail/sr-dev/attachments/20190918/60ed986b/attachment-0001.html>
More information about the sr-dev
mailing list