Yeah. I went to double check and there could be an issue with our Jenkins job that puts this build in our repository. I'll have to figure this out on my end. Sorry for the false alarm.
On Wed, Jan 8, 2020 at 3:54 AM Daniel-Constantin Mierla <[email protected]> wrote: > Was this a fresh installation of kamailio directly from the 52-nightly > repo? > > The jenkins build output shows that the flag was set during compilation: > > * > https://kamailio.sipwise.com/view/kam52/job/kamailio52-nightly-binaries/lastBuild/architecture=amd64,distribution=bionic,label=slave/consoleText > > The gcc command has the option -DKSR_PTHREAD_MUTEX_SHARED which sets in > the C code the TLS_PTHREAD_MUTEX_SHARED. > > Cheers, > Daniel > On 07.01.20 20:33, Andrew Chen wrote: > > So I used the nightly build option and I don't see it. > > + sudo add-apt-repository deb http://deb.kamailio.org/kamailio52-nightly > bionic main > Hit:1 https://dl.yarnpkg.com/debian stable InRelease > Hit:2 http://download.draios.com/stable/deb stable-amd64/ InRelease > Get:3 http://security.ubuntu.com/ubuntu bionic-security InRelease [88.7 kB] > Hit:4 https://deb.nodesource.com/node_11.x bionic InRelease > Ign:5 http://fuze-apt-bionic-master.s3-website-us-west-1.amazonaws.com bionic > InRelease > Get:6 http://fuze-apt-bionic-master.s3-website-us-west-1.amazonaws.com bionic > Release [2346 B] > Ign:7 http://fuze-apt-bionic-rc.s3-website-us-west-1.amazonaws.com bionic > InRelease > Ign:8 http://fuze-apt-bionic-master.s3-website-us-west-1.amazonaws.com bionic > Release.gpg > Hit:9 http://ppa.launchpad.net/maxmind/ppa/ubuntu bionic InRelease > Get:10 http://fuze-apt-bionic-rc.s3-website-us-west-1.amazonaws.com bionic > Release [2346 B] > Hit:11 http://us-east-1.ec2.archive.ubuntu.com/ubuntu bionic InRelease > Get:12 http://us-east-1.ec2.archive.ubuntu.com/ubuntu bionic-updates > InRelease [88.7 kB] > Get:13 http://us-east-1.ec2.archive.ubuntu.com/ubuntu bionic-backports > InRelease [74.6 kB] > Get:14 http://fuze-apt-bionic-master.s3-website-us-west-1.amazonaws.com > bionic/main amd64 Packages [327 kB] > Ign:15 http://fuze-apt-bionic-rc.s3-website-us-west-1.amazonaws.com bionic > Release.gpg > Hit:16 http://ppa.launchpad.net/ubuntu-toolchain-r/test/ubuntu bionic > InRelease > Get:17 http://security.ubuntu.com/ubuntu bionic-security/main amd64 Packages > [605 kB] > Get:18 http://fuze-apt-bionic-rc.s3-website-us-west-1.amazonaws.com > bionic/main amd64 Packages [233 kB] > Get:19 http://us-east-1.ec2.archive.ubuntu.com/ubuntu bionic-updates/universe > amd64 Packages [1035 kB] > Get:20 http://security.ubuntu.com/ubuntu bionic-security/main Translation-en > [196 kB] > Get:21 http://security.ubuntu.com/ubuntu bionic-security/restricted amd64 > Packages [16.8 kB] > Get:22 http://security.ubuntu.com/ubuntu bionic-security/restricted > Translation-en [5028 B] > Get:23 http://security.ubuntu.com/ubuntu bionic-security/universe amd64 > Packages [628 kB] > Get:24 http://security.ubuntu.com/ubuntu bionic-security/universe > Translation-en [210 kB] > > Get:25 http://deb.kamailio.org/kamailio52-nightly bionic InRelease [4223 B] > Get:26 http://deb.kamailio.org/kamailio52-nightly bionic/main amd64 Packages > [14.8 kB] > > root@sjomainkama51:/usr/lib/x86_64-linux-gnu/kamailio/modules # kamailio -I > Print out of kamailio internals > Version: kamailio 5.2.5 (x86_64/linux) > Default config: /etc/kamailio/kamailio.cfg > Default paths to modules: /usr/lib/x86_64-linux-gnu/kamailio/modules > Compile flags: STATS: Off, USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, > USE_RAW_SOCKS, DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MEM, SHM_MMAP, > PKG_MALLOC, Q_MALLOC, F_MALLOC, TLSF_MALLOC, DBG_SR_MEMORY, USE_FUTEX, > FAST_LOCK-ADAPTIVE_WAIT, USE_DNS_CACHE, USE_DNS_FAILOVER, USE_NAPTR, > USE_DST_BLACKLIST, HAVE_RESOLV_RES > MAX_RECV_BUFFER_SIZE=262144 > MAX_URI_SIZE=1024 > BUF_SIZE=65535 > DEFAULT PKG_SIZE=8MB > DEFAULT SHM_SIZE=64MB > ADAPTIVE_WAIT_LOOPS=1024 > TCP poll methods: poll, epoll_lt, epoll_et, sigio_rt, select > Source code revision ID: unknown > Compiled with: gcc 7.4.0 > Compiled on: > Thank you for flying kamailio! > > > On Mon, Jan 6, 2020 at 2:52 PM Daniel-Constantin Mierla <[email protected]> > wrote: > >> You can download the code from git repository and build the >> openssl_mutex_shared.so locally. >> >> Or install from the nightly builts, there should be the version with the >> fix embedded -- after installation check kamailio -I and see if it lists >> TLS_PTHREAD_MUTEX_SHARED. >> >> Cheers, >> Daniel >> On 06.01.20 16:48, Andrew Chen wrote: >> >> I have seen similar issues with pike and running 5.2.5 installed using >> deb repo. I don't see this openssl_mutex_shared directory: >> >> root@ashmainkama51:/usr/lib/x86_64-linux-gnu/kamailio # ls -lart >> total 400 >> -rw-r--r-- 1 root root 22528 Oct 10 12:29 libtrie.so.1.0 >> lrwxrwxrwx 1 root root 14 Oct 10 12:29 libtrie.so.1 -> libtrie.so.1.0 >> lrwxrwxrwx 1 root root 14 Oct 10 12:29 libtrie.so -> libtrie.so.1.0 >> -rw-r--r-- 1 root root 63864 Oct 10 12:29 libsrutils.so.1.0 >> lrwxrwxrwx 1 root root 17 Oct 10 12:29 libsrutils.so.1 -> >> libsrutils.so.1.0 >> lrwxrwxrwx 1 root root 17 Oct 10 12:29 libsrutils.so -> >> libsrutils.so.1.0 >> -rw-r--r-- 1 root root 51472 Oct 10 12:29 libsrdb2.so.1.0 >> lrwxrwxrwx 1 root root 15 Oct 10 12:29 libsrdb2.so.1 -> >> libsrdb2.so.1.0 >> lrwxrwxrwx 1 root root 15 Oct 10 12:29 libsrdb2.so -> libsrdb2.so.1.0 >> -rw-r--r-- 1 root root 211264 Oct 10 12:29 libsrdb1.so.1.0 >> lrwxrwxrwx 1 root root 15 Oct 10 12:29 libsrdb1.so.1 -> >> libsrdb1.so.1.0 >> lrwxrwxrwx 1 root root 15 Oct 10 12:29 libsrdb1.so -> libsrdb1.so.1.0 >> drwxr-xr-x 4 root root 4096 Dec 3 21:32 . >> drwxr-xr-x 3 root root 4096 Dec 3 21:33 kamctl >> drwxr-xr-x 2 root root 4096 Dec 3 21:33 modules >> drwxr-xr-x 47 root root 36864 Dec 10 20:13 .. >> root@ashmainkama51:/usr/lib/x86_64-linux-gnu/kamailio # >> >> and here are my command outputs: >> >> root@ashmainkama51:~ # ldd >> /usr/lib/x86_64-linux-gnu/kamailio/modules/tls.so >> linux-vdso.so.1 (0x00007ffd28de0000) >> libssl.so.1.1 => /usr/lib/x86_64-linux-gnu/libssl.so.1.1 >> (0x00007f925de6d000) >> libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f925da7c000) >> libcrypto.so.1.1 => /usr/lib/x86_64-linux-gnu/libcrypto.so.1.1 >> (0x00007f925d5b1000) >> libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 >> (0x00007f925d392000) >> /lib64/ld-linux-x86-64.so.2 (0x00007f925e39d000) >> libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 >> (0x00007f925d18e000) >> root@ashmainkama51:~ # kamailio -I >> Print out of kamailio internals >> Version: kamailio 5.2.5 (x86_64/linux) >> Default config: /etc/kamailio/kamailio.cfg >> Default paths to modules: /usr/lib/x86_64-linux-gnu/kamailio/modules >> Compile flags: STATS: Off, USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, >> USE_RAW_SOCKS, DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MEM, SHM_MMAP, >> PKG_MALLOC, Q_MALLOC, F_MALLOC, TLSF_MALLOC, DBG_SR_MEMORY, USE_FUTEX, >> FAST_LOCK-ADAPTIVE_WAIT, USE_DNS_CACHE, USE_DNS_FAILOVER, USE_NAPTR, >> USE_DST_BLACKLIST, HAVE_RESOLV_RES >> MAX_RECV_BUFFER_SIZE=262144 >> MAX_URI_SIZE=1024 >> BUF_SIZE=65535 >> DEFAULT PKG_SIZE=8MB >> DEFAULT SHM_SIZE=64MB >> ADAPTIVE_WAIT_LOOPS=1024 >> TCP poll methods: poll, epoll_lt, epoll_et, sigio_rt, select >> Source code revision ID: unknown >> Compiled with: gcc 7.4.0 >> Compiled on: >> Thank you for flying kamailio! >> >> >> On Mon, Dec 16, 2019 at 12:51 PM Aymeric Moizard <[email protected]> >> wrote: >> >>> Hi Daniel, >>> >>> The file openssl_mutex_shared.so is there and same installation time >>> than the other files! >>> >>> I have added >>> >>> >>> Environment='LD_PRELOAD=/usr/lib/x86_64-linux-gnu/kamailio/openssl_mutex_shared/openssl_mutex_shared.so' >>> >>> To my kamailio.service and I have restarted! >>> I'm sure it will behave better now ;) >>> >>> Tks a lot for the help. >>> Regards, >>> Aymeric >>> >>> >>> Le lun. 16 déc. 2019 à 17:23, Daniel-Constantin Mierla < >>> [email protected]> a écrit : >>> >>>> I pinged Victor to see if he can figure out what happens within the deb >>>> building process that makes the libssl mutex fix not enabled. >>>> >>>> The extra .so preload object should be still installed, try to see if >>>> it is at: >>>> >>>> >>>> /usr/lib/x86_64-linux-gnu/kamailio/openssl_mutex_shared/openssl_mutex_shared.so >>>> >>>> Cheers, >>>> Daniel >>>> On 16.12.19 12:09, Aymeric Moizard wrote: >>>> >>>> Good catch! >>>> >>>> As I said in my first mail, I also add the issue with latest 5.2.X so I >>>> suppose the deb package has the same issue for 52X. >>>> >>>> Is the extra binary to load still there? I will check that as soon as >>>> I'm online... >>>> >>>> Tks a lot! >>>> Aymeric >>>> >>>> Le lun. 16 déc. 2019 à 11:16, Daniel-Constantin Mierla < >>>> [email protected]> a écrit : >>>> >>>>> Hello, >>>>> >>>>> for some reason the binary doesn't seem to have the libssl mutex fix, >>>>> in my system with the libssl 1.1 gives: >>>>> >>>>> # kamailio -I >>>>> Print out of kamailio internals >>>>> Version: kamailio 5.3.1 (x86_64/linux) f36ac2 >>>>> Default config: /tmp/kamailio-5.3/etc/kamailio/kamailio.cfg >>>>> Default paths to modules: /tmp/kamailio-5.3/lib64/kamailio/modules >>>>> Compile flags: USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, USE_RAW_SOCKS, >>>>> DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MMAP, PKG_MALLOC, Q_MALLOC, >>>>> F_MALLOC, TLSF_MALLOC, DBG_SR_MEMORY, USE_FUTEX, FAST_LOCK-ADAPTIVE_WAIT, >>>>> USE_DNS_CACHE, USE_DNS_FAILOVER, USE_NAPTR, USE_DST_BLACKLIST, >>>>> HAVE_RESOLV_RES, TLS_PTHREAD_MUTEX_SHARED >>>>> MAX_RECV_BUFFER_SIZE=262144 >>>>> MAX_URI_SIZE=1024 >>>>> BUF_SIZE=65535 >>>>> DEFAULT PKG_SIZE=8MB >>>>> DEFAULT SHM_SIZE=64MB >>>>> ADAPTIVE_WAIT_LOOPS=1024 >>>>> TCP poll methods: poll, epoll_lt, epoll_et, sigio_rt, select >>>>> Source code revision ID: f36ac2 >>>>> Compiled with: gcc 9.2.1 >>>>> Compiled architecture: x86_64 >>>>> Compiled on: 11:11:20 Dec 16 2019 >>>>> Thank you for flying kamailio! >>>>> >>>>> The important part above is the presence of TLS_PTHREAD_MUTEX_SHARED >>>>> compile time flag in the output. >>>>> >>>>> Needs to be investigated why the dep packages have the kamailio binary >>>>> without the libssl mutex fix enabled. >>>>> >>>>> Cheers, >>>>> Daniel >>>>> On 16.12.19 09:22, Aymeric Moizard wrote: >>>>> >>>>> Hi Daniel, >>>>> >>>>> Tks a lot for lookint at it. >>>>> >>>>> $ ldd /usr/lib/x86_64-linux-gnu/kamailio/modules/tls.so >>>>> linux-vdso.so.1 (0x00007fff997dd000) >>>>> libssl.so.1.1 => /usr/lib/x86_64-linux-gnu/libssl.so.1.1 >>>>> (0x00007fe40b53c000) >>>>> libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 >>>>> (0x00007fe40b19d000) >>>>> libcrypto.so.1.1 => /usr/lib/x86_64-linux-gnu/libcrypto.so.1.1 >>>>> (0x00007fe40ad03000) >>>>> libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 >>>>> (0x00007fe40aaff000) >>>>> libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 >>>>> (0x00007fe40a8e2000) >>>>> /lib64/ld-linux-x86-64.so.2 (0x00007fe40ba4a000) >>>>> >>>>> $ /usr/sbin/kamailio -I >>>>> Print out of kamailio internals >>>>> Version: kamailio 5.3.1 (x86_64/linux) >>>>> Default config: /etc/kamailio/kamailio.cfg >>>>> Default paths to modules: /usr/lib/x86_64-linux-gnu/kamailio/modules >>>>> Compile flags: USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, USE_RAW_SOCKS, >>>>> DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MMAP, PKG_MALLOC, Q_MALLOC, >>>>> F_MALLOC, TLSF_MALLOC, DBG_SR_MEMORY, USE_FUTEX, FAST_LOCK-ADAPTIVE_WAIT, >>>>> USE_DNS_CACHE, USE_DNS_FAILOVER, USE_NAPTR, USE_DST_BLACKLIST, >>>>> HAVE_RESOLV_RES >>>>> MAX_RECV_BUFFER_SIZE=262144 >>>>> MAX_URI_SIZE=1024 >>>>> BUF_SIZE=65535 >>>>> DEFAULT PKG_SIZE=8MB >>>>> DEFAULT SHM_SIZE=64MB >>>>> ADAPTIVE_WAIT_LOOPS=1024 >>>>> TCP poll methods: poll, epoll_lt, epoll_et, sigio_rt, select >>>>> Source code revision ID: unknown >>>>> Compiled with: gcc 6.3.0 >>>>> Compiled architecture: x86_64 >>>>> Compiled on: >>>>> Thank you for flying kamailio! >>>>> >>>>> Additional note: >>>>> I have tried to better understand the pike module and after reading >>>>> the "end" of the module documentation, >>>>> I do better understand the "Tree of IP" and settings. >>>>> >>>>> The pike documentation, for each settins and description, should refer >>>>> to the section "Chapter 3. Developer Guide", >>>>> otherwise, the parameters cannot be understood. Also, it's not >>>>> possible to understand, according to me, the real time >>>>> for removing an IP from the tree (removing it 100% or only last node >>>>> of IP) >>>>> >>>>> Looking again at my statistics, I feel the first graph is definitly >>>>> showing an issue. This graph is showing >>>>> "$stat(location-users)" and "$stat(location-contacts)". During the 10 >>>>> hours, many users are banned, unregistred, etc.. >>>>> so it is really not expected that the number of registred users is >>>>> maintained. From what I understand, the fact >>>>> that the stats went down when deadlock dissapeared obviouly means >>>>> kamailio threads was in a bad state for the >>>>> last 10 hours... >>>>> >>>>> https://www.antisip.com/sip-antisip-com-register/status2.htm >>>>> >>>>> If you need more information, let me know... >>>>> Regards >>>>> Aymeric >>>>> >>>>> Le lun. 16 déc. 2019 à 08:22, Daniel-Constantin Mierla < >>>>> [email protected]> a écrit : >>>>> >>>>>> Hello, >>>>>> >>>>>> can you provide output of ldd for tls.so and output of "kamailio -I" >>>>>> (that's an uppercase i)? >>>>>> >>>>>> Cheers, >>>>>> Daniel >>>>>> On 13.12.19 16:39, Aymeric Moizard wrote: >>>>>> >>>>>> Hi List, >>>>>> >>>>>> History: >>>>>> * In the past, I had deadlock which was, most probably, related to >>>>>> ssl1.1. >>>>>> We have discussed this issue, and a fix is supposed to workaround >>>>>> the issue that was detected. >>>>>> * With latest 5.2.X, I have experienced ONCE a similar behavior with >>>>>> TCP and TLS being mostly stuck. I have not been using this version much, >>>>>> but the fix was supposed to be in the core of kamailio. >>>>>> >>>>>> The status of the server this night: >>>>>> * I'm today running version: kamailio 5.3.1 (x86_64/linux), >>>>>> * Installed on stretch using http://deb.kamailio.org/kamailio53 >>>>>> repository. >>>>>> * This versions use libssl1.1 >>>>>> * A user reported that he can't connect with TCP >>>>>> * An average of 5000 IPs per 10 minutes are being banned by the pike >>>>>> module >>>>>> (could be twice the same) >>>>>> Yesterday/Today: >>>>>> * at the end of the outage, I had 2479 IP in my ipban htable. (which >>>>>> is equivalent to my statistics showing 2 bans/IP every 10 minutes = 5000) >>>>>> * looking at my logs, it appears that most (ALL?) ip being banned... >>>>>> are my regular users. >>>>>> * looking at my logs, I can't understand why pike would block them. >>>>>> >>>>>> This is a graph for statistics on my service for the last 24 hours: >>>>>> https://www.antisip.com/sip-antisip-com-register/status2.html >>>>>> >>>>>> Yesterday, at 22:18:39, kamailio started to BAN some IPs. 52 IPs were >>>>>> banned in a period of 10 minutes. I can confirm this from my logs. >>>>>> >>>>>> My pike configuration is this one: >>>>>> >>>>>> modparam("pike", "sampling_time_unit", 2) >>>>>> modparam("pike", "reqs_density_per_unit", 64) >>>>>> modparam("pike", "remove_latency", 4) >>>>>> >>>>>> When detecting the issue, this morning, I typed: >>>>>> >>>>>> $> sudo kamctl stats >>>>>> $> sudo kamcmd htable.dump ipban >>>>>> //FAILURE (answer too large...) >>>>>> $> sudo kamctl trap >>>>>> >>>>>> Then, I started an agent with TCP and it worked...??? >>>>>> Then, a few seconds, may be a minute after: >>>>>> >>>>>> $> sudo kamcmd htable.dump ipban >>>>>> //SUCCESS and shows 2479 banned ip. >>>>>> >>>>>> and... everything is back to normal in a few minutes. >>>>>> >>>>>> I haven't restarted kamailio, and all statistics are as expected, as >>>>>> usual. >>>>>> >>>>>> Thus, it looks that " sudo kamctl trap" has triggered something. I >>>>>> already >>>>>> experienced a similar behavior -when testing my ssl1.1 deadlock last >>>>>> year-. >>>>>> >>>>>> 2 questions: >>>>>> 1/ I beleive my "pike" configuration should not ban users. Is my pike >>>>>> configuration wrong? >>>>>> As an example, pike has banned an IP sending one message/second. I >>>>>> believe my configuration should accept that? >>>>>> >>>>>> 2/ Could there still be a TLS issue with libssl1.1? >>>>>> >>>>>> This is the result of the "kamctl trap": >>>>>> >>>>>> >>>>>> https://sip.antisip.com/kamailio-pike-or-tls-issue-13-12-2019.kamctl-trap >>>>>> >>>>>> Sorry for the long story & hoping to find a long term solution or at >>>>>> least a workaround! >>>>>> >>>>>> Regards >>>>>> Aymeric >>>>>> >>>>>> -- >>>>>> Antisip - http://www.antisip.com >>>>>> >>>>>> _______________________________________________ >>>>>> Kamailio (SER) - Users Mailing >>>>>> [email protected]https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users >>>>>> >>>>>> -- >>>>>> Daniel-Constantin Mierla -- www.asipto.comwww.twitter.com/miconda -- >>>>>> www.linkedin.com/in/miconda >>>>>> Kamailio World Conference - April 27-29, 2020, in Berlin -- >>>>>> www.kamailioworld.com >>>>>> >>>>>> >>>>> >>>>> -- >>>>> Antisip - http://www.antisip.com >>>>> >>>>> -- >>>>> Daniel-Constantin Mierla -- www.asipto.comwww.twitter.com/miconda -- >>>>> www.linkedin.com/in/miconda >>>>> Kamailio World Conference - April 27-29, 2020, in Berlin -- >>>>> www.kamailioworld.com >>>>> >>>>> -- >>>> Daniel-Constantin Mierla -- www.asipto.comwww.twitter.com/miconda -- >>>> www.linkedin.com/in/miconda >>>> Kamailio World Conference - April 27-29, 2020, in Berlin -- >>>> www.kamailioworld.com >>>> >>>> >>> >>> -- >>> Antisip - http://www.antisip.com >>> _______________________________________________ >>> Kamailio (SER) - Users Mailing List >>> [email protected] >>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users >>> >> >> >> -- >> Andy Chen >> Sr. Telephony Lead Engineer >> 415 516 5535 (M) >> achen@ <[email protected]>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 >> [email protected]https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users >> >> -- >> Daniel-Constantin Mierla -- www.asipto.comwww.twitter.com/miconda -- >> www.linkedin.com/in/miconda >> Kamailio World Conference - April 27-29, 2020, in Berlin -- >> www.kamailioworld.com >> >> > > -- > Andy Chen > Sr. Telephony Lead Engineer > 415 516 5535 (M) > achen@ <[email protected]>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 World Conference - April 27-29, 2020, in Berlin -- > www.kamailioworld.com > > -- Andy Chen Sr. Telephony Lead Engineer 415 516 5535 (M) achen@ <[email protected]>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.*
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