sr-users March 2021

sr-users@lists.kamailio.org

61 participants
66 discussions

by Alex Balashov

Hi, Recent versions of RTPEngine (9.x+) implemented support for speaking the "NG" wire protocol over TCP, via the `--listen-tcp-ng` option. Does the Kamailio `rtpengine` module support this, and/or are there any plans to? We've run into a few scenarios where very large responses from RTPEngine can't make it back to Kamailio over the UDP protocol due to fragmentation problems in unique network settings like tunnels. -- Alex -- 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/

3 years, 1 month

with 302 response dispatcher list .

by Devang Dhandhalya

my scenario is : i have dispatcher list # dispatcher destination sets (groups) # # line format # setid(int) destination(sip uri) flags(int,opt) priority(int,opt) attributes(str,opt) # proxies 2 sip:172.19.56.21:5060 0 1 2 sip:172.19.56.22:5060 0 2 # gateways 1 sip:192.168.0.11:5060 0 1 1 sip:192.168.0.22:5060 0 2 1 sip:192.168.0.33:5060 0 3 when call coming from first time client to kamailio . kamailio just need to send 302 response to the client with all destination ip of group id 1 priority wise in its contact header field . in easy way client ------------------> kamailio 302 33(3) 22(2) 11(1) <--------------- and when call coming second time from client to kamailio . kamailio need to send group id 2 all destination ip in 302 response in its contact header field . client ------------------> kamailio 302 22(2) 21(1) <--------------- can any one suggest me how to do this thing from kamailio side ? use of append_branch is good option but how to configure this scenario . Thanks in advance Devang -- *Disclaimer* In addition to generic Disclaimer which you have agreed on our website, any views or opinions presented in this email are solely those of the originator and do not necessarily represent those of the Company or its sister concerns. Any liability (in negligence, contract or otherwise) arising from any third party taking any action, or refraining from taking any action on the basis of any of the information contained in this email is hereby excluded. *Confidentiality* This communication (including any attachment/s) is intended only for the use of the addressee(s) and contains information that is PRIVILEGED AND CONFIDENTIAL. Unauthorized reading, dissemination, distribution, or copying of this communication is prohibited. Please inform originator if you have received it in error. *Caution for viruses, malware etc.* This communication, including any attachments, may not be free of viruses, trojans, similar or new contaminants/malware, interceptions or interference, and may not be compatible with your systems. You shall carry out virus/malware scanning on your own before opening any attachment to this e-mail. The sender of this e-mail and Company including its sister concerns shall not be liable for any damage that may incur to you as a result of viruses, incompleteness of this message, a delay in receipt of this message or any other computer problems.

3 years, 1 month

Segmentation fault on debian 10

by Bugaian A. Vitalie

Hello, fresh install on debian 10: Mar 3 11:42:16 teams01 kernel: [ 5771.292626] kamailio[1518]: segfault at 0 ip 00007f102bb5c206 sp 00007ffec00096e8 error 4 in libc-2.28.so [7f102bae6000+148000] Mar 3 11:42:16 teams01 kernel: [ 5771.292677] Code: 0f 1f 40 00 66 0f ef c0 66 0f ef c9 66 0f ef d2 66 0f ef db 48 89 f8 48 89 f9 48 81 e1 ff 0f 00 00 48 81 f9 cf 0f 00 00 77 6a <f3> 0f 6f 20 66 0f 74 e0 66 0f d7 d4 85 d2 74 04 0f bc c2 c3 48 83 Any things to try? Thanks. Vitalie.

3 years, 1 month

topos event_route question

by Juha Heinanen

I tried to skip topos stripping based on R-URI hostpart like this: event_route[topos:msg-outgoing] { xinfo("******** at topos:msg-outgoing with $rd\n"); if ($rd == "example.com") drop; } and got this to syslog: Mar 2 18:35:59 lab /usr/bin/sip-proxy[22441]: INFO: <script>: ******** at topos:msg-outgoing with kamailio.org Where does $rd == kamailio.org come from, since R-URI hostpart of the request does not have that domain? Or is it so that $rd cannot be used in that event route? -- Juha

3 years, 1 month

TOPOS (5.5) answers '404 Not Here' when b side send BYE

by 张阳

Dear Daniel: When I was using the topos module, I found that if a bye message was sent from side B, kamailio would return a 404 message. When I remove the topos module, the call is normal, attached is sip pcap. 172.18.67.50:5060 and 172.18.67.40:55066 Are different ports monitored by the same kamailio Looking forward to your reply! My cfg is too long,I will key information for cfg: modparam("ndb_redis", "server", "name=srv8;addr=127.0.0.1;port=6381;db=2") modparam("topos", "storage", "redis") modparam("topos", "db_url", "redis://127.0.0.1:6381/2") modparam("topos_redis", "serverid", "srv8") modparam("topos", "rr_update", 1) /*……*/ request_route { xlog("L_DBG","request_route message: $mb\n"); if (is_method("UPDATE")) { t_on_reply("UPDATE_SELF"); #t_on_branch("UPDATE_OUT"); } # per request initial checks route(REQINIT); #!ifdef PBX_OUTMODE route(MESSAGE); #!endif # handle requests within SIP dialogs route(WITHINDLG); route(CANCEL); # route(CHECK_REG); route(REGISTER); if (is_method("OPTIONS")) { route(REPLAY_OPTIONS); exit; } t_check_trans(); # /andle methods that don't make any sense in this environment if (!is_method("INVITE")) { xlog("L_INFO","Call $ci: Anomalous method $rm received from $si:$sp, relaying just in case\n"); sl_reply_error(); exit; } if(is_method("INVITE")){ dlgs_init("$fu","$tu","FusionSBC"); dlg_manage(); } if ($rU==$null) { # request with no Username in RURI sl_send_reply("484","Address Incomplete"); exit; } #From now on only INVITES #check if it's registered PBX user #!ifdef ASBCBROKER route(INVITE_PBX); #!else #!ifdef ASBC route(INVITE_PBX); #!endif #!endif route(INVITE_AUTHENTICATE); route(GET_RG_INFO); route(GET_NUMBERS); route(SHOW_CALL_INFO); #Manipulate IN ANI (Number and NOA) route(ANI_MANIPULATION); #Manipulate IN DNIS route(DNIS_MANIPULATION); route(SDP); # record routing for dialog forming requests (in case they are routed) # - remove preloaded route headers xlog("L_DEBUG","Adding Record-Route header\n"); # NVF changed this 4/22/2014 - why remove the incoming route headers? #remove_hf("Record-Route"); record_route(); route(ROUTING); route(SEND); } /*……*/ route[WITHINDLG] { if (has_totag()) { # sequential request withing a dialog should # take the path determined by record-routing xlog("L_INFO","yang yangyang testin to not here"); if (loose_route()){ if(is_method("INFO")){ route("INFO_SELF"); } route(BYE); route(REINVITE); route(ACK); route(RELAY); } else { if ( is_method("ACK")) { if ( t_check_trans() ) { # no loose-route, but stateful ACK; # must be an ACK after a 487 # or e.g. 404 $var(obj) = $sht(call_objects=>$ci); xlog("L_INFO","Call $ci: ACK received in A-Leg, $fU@$si:$sp -----> $rU@$Ri:$Rp relaying downstreamrouteWITHINDLG\n"); t_relay(); exit; } else { # ACK without matching transaction ... ignore and discard exit; } } xlog("L_INFO","yang in to not here"); sl_send_reply("404","Not here"); } exit; } } 发送自 Windows 10 版邮件<https://go.microsoft.com/fwlink/?LinkId=550986>应用

3 years, 1 month

Hunt groups with alias_db_lookup

by Adam McCarthy

Hello, I'm currently using alias_db_lookup to map inbound calls from my SIP carrier to internal endpoints e.g., 1NXXXXXXXXX(a)sip.example.com -> alice(a)sip.example.com. This works well, but I would now like to simultaneously call alice@ and bob@, e.g. alias_db_lookup(...) # somehow return alice@ and bob@ append_branch("sip:bob@sip.example.com") as described here: http://kamailio.org/docs/modules/devel/modules/tm.html#tm.serial_forking This is effectively a hunt group, where two users are called and once one user picks up the call, the second is sent a CANCEL. How would I acheive this with Kamailio? Thanks, Adam

3 years, 1 month

Load htable from MongoDB

by Sergiu Pojoga

Hi there, Question: is it possible to load a htable, defined by columns, from a MongoDB collection, when a certain "column" is an object with multiple elements? For example: modparam("htable", "htable", "users=>size=10;dbtable=users;cols='FirstName,LastName,Location:Prefix';") Fails when trying to load the value of Location.Prefix { "FirstName": "John", "LastName": "Doe", "Language" : "en", "Location" : { "Country" : "USA", "City" : "New York", "Prefix" : "+1" } } Thanks in advance.

3 years, 1 month

Need help in transforming an SDP string through a re.subst

by Denys Pozniak

Hello! There is a task to remove a fragment (*a=rtpmap:8 PCMA/8000#015#012*) from the SDP string generated by the rtpengine. *v=0#015#012o=kw 1614043485 1614043486 IN IP4 185.19.237.77#015#012s=kw#015#012c=IN IP4 1.1.1.1#015#012t=0 0#015#012m=audio 31828 RTP/AVP 0 8 101#015#012a=silenceSupp:off - - - -#015#012a=direction:both#015#012a=rtpmap:0 PCMU/8000#015#012a=rtpmap:8 PCMA/8000#015#012a=rtpmap:101 telephone-event/8000#015#012a=fmtp:101 0-16#015#012a=sendrecv#015#012a=rtcp:31829#015#012a=ptime:20#015#012* The most logical option seems to be using the re.subst transformation, but so far no success. $avp(write_sdp_pv) = $(avp(write_sdp_pv){re.subst,/a=rtpmap:8 PCMA\/8000%23015%23012//s}); Сan there be an alternative or am I doing something wrong with the re.subst? -- BR, Denys Pozniak

3 years, 1 month

Re: [SR-Users] [sr-dev] RTPEngine - No support for kernel packet forwarding available

by Henning Westerholt

(changing list to sr-users) Hello, Do you see an iptables rule belonging to the rtpengine module? If you do a test call, are the packet counters increased on this iptables rule? In the log message I see another error related to SRTP, not anything related to the kernel forwarding mode. Cheers, Henning -- Henning Westerholt – https://skalatan.de/blog/ Kamailio services – https://gilawa.com<https://gilawa.com/> From: sr-dev <sr-dev-bounces(a)lists.kamailio.org> On Behalf Of Suresh Talasaniya Sent: Monday, March 1, 2021 11:03 AM To: sr-dev(a)lists.kamailio.org Subject: [sr-dev] RTPEngine - No support for kernel packet forwarding available Hello folks, RTPEngine - No support for kernel packet forwarding available, please find the below information/logs. Mar 1 01:46:45 sp201 rtpengine[14973]: INFO: [9ca2e714-95d0-9662-82e9-e89659024d66]: [control] Received command 'offer' from 127.0.0.1:52657<http://127.0.0.1:52657> Mar 1 01:46:45 sp201 rtpengine[14973]: NOTICE: [9ca2e714-95d0-9662-82e9-e89659024d66]: [core] Creating new call Mar 1 01:46:45 sp201 rtpengine[14973]: ERR: [9ca2e714-95d0-9662-82e9-e89659024d66]: [crypto] Failed to init DTLS connection: srtp unknown protection profile Mar 1 01:46:45 sp201 rtpengine[14973]: ERR: [9ca2e714-95d0-9662-82e9-e89659024d66]: [crypto] Failed to init DTLS connection: srtp unknown protection profile Mar 1 01:46:45 sp201 rtpengine[14973]: ERR: [9ca2e714-95d0-9662-82e9-e89659024d66]: [crypto] Failed to init DTLS connection: srtp unknown protection profile Mar 1 01:46:45 sp201 rtpengine[14973]: ERR: [9ca2e714-95d0-9662-82e9-e89659024d66]: [crypto] Failed to init DTLS connection: srtp unknown protection profile Mar 1 01:46:45 sp201 rtpengine[14973]: INFO: [9ca2e714-95d0-9662-82e9-e89659024d66]: [control] Replying to 'offer' from 127.0.0.1:52657<http://127.0.0.1:52657> (elapsed time 0.001429 sec) Mar 1 01:48:47 sp201 rtpengine[14973]: INFO: [9ca2e714-95d0-9662-82e9-e89659024d66]: [control] Received command 'delete' from 127.0.0.1:52865<http://127.0.0.1:52865> Mar 1 01:48:47 sp201 rtpengine[14973]: INFO: [9ca2e714-95d0-9662-82e9-e89659024d66]: [core] Scheduling deletion of call branch 'tW4HuJe5Hmnkd9RLpKSG' (via-branch 'z9hG4bKgRZGOZSlWGzaiX8oM6vpqSqzpiG6Tqvf0') in 30 seconds Mar 1 01:48:47 sp201 rtpengine[14973]: INFO: [9ca2e714-95d0-9662-82e9-e89659024d66]: [control] Replying to 'delete' from 127.0.0.1:52865<http://127.0.0.1:52865> (elapsed time 0.000124 sec) Mar 1 01:48:47 sp201 rtpengine[14973]: INFO: [9ca2e714-95d0-9662-82e9-e89659024d66]: [control] Received command 'delete' from 127.0.0.1:52865<http://127.0.0.1:52865> Mar 1 01:48:47 sp201 rtpengine[14973]: INFO: [9ca2e714-95d0-9662-82e9-e89659024d66]: [core] Scheduling deletion of call branch 'tW4HuJe5Hmnkd9RLpKSG' (via-branch '') in 30 seconds [root@sp201 src]# lsmod | grep xt_RTPENGINE xt_RTPENGINE 45829 5 [root@sp201 src]# lsmod Module Size Used by iptable_nat 12875 0 nf_nat_ipv4 14115 1 iptable_nat nf_nat 26583 1 nf_nat_ipv4 iptable_mangle 12695 0 camellia_aesni_avx_x86_64 27590 0 camellia_x86_64 52986 1 camellia_aesni_avx_x86_64 xts 12914 1 camellia_x86_64 nfnetlink_queue 18197 0 nfnetlink_log 17892 0 nfnetlink 14519 2 nfnetlink_log,nfnetlink_queue bluetooth 548730 0 rfkill 22391 1 bluetooth ipt_REJECT 12541 2 nf_reject_ipv4 13373 1 ipt_REJECT nf_conntrack_ipv4 15053 6 nf_defrag_ipv4 12729 1 nf_conntrack_ipv4 xt_RTPENGINE 45829 5 netconsole 14587 0 xt_conntrack 12760 5 nf_conntrack 139264 4 nf_nat,nf_nat_ipv4,xt_conntrack,nf_conntrack_ipv4 iptable_filter 12810 1 edac_mce_amd 31603 0 crc32_pclmul 13133 0 ghash_clmulni_intel 13273 0 aesni_intel 189456 0 lrw 13286 3 camellia_x86_64,aesni_intel,camellia_aesni_avx_x86_64 gf128mul 15139 2 lrw,xts glue_helper 13990 3 camellia_x86_64,aesni_intel,camellia_aesni_avx_x86_64 ppdev 17671 0 ablk_helper 13597 2 aesni_intel,camellia_aesni_avx_x86_64 cryptd 21190 3 ghash_clmulni_intel,aesni_intel,ablk_helper parport_pc 28205 0 virtio_rng 13029 0 joydev 17389 0 virtio_balloon 18015 0 parport 46395 2 ppdev,parport_pc i2c_piix4 22401 0 pcspkr 12718 0 ip_tables 27126 3 iptable_filter,iptable_mangle,iptable_nat xfs 997727 2 libcrc32c 12644 3 xfs,nf_nat,nf_conntrack ata_generic 12923 0 pata_acpi 13053 0 virtio_net 28085 0 virtio_blk 18472 4 virtio_console 28076 0 net_failover 18147 1 virtio_net failover 13374 1 net_failover ata_piix 35052 0 libata 243094 3 pata_acpi,ata_generic,ata_piix crct10dif_pclmul 14307 0 crct10dif_common 12595 1 crct10dif_pclmul crc32c_intel 22094 1 virtio_pci 22985 0 floppy 69432 0 virtio_ring 22991 6 virtio_blk,virtio_net,virtio_pci,virtio_rng,virtio_balloon,virtio_console serio_raw 13434 0 virtio 14959 6 virtio_blk,virtio_net,virtio_pci,virtio_rng,virtio_balloon,virtio_console [root@sp201 src]# kamailio -V version: kamailio 5.5.0-dev4 (x86_64/linux) fd8d0f 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_BLOCKLIST, HAVE_RESOLV_RES ADAPTIVE_WAIT_LOOPS 1024, MAX_RECV_BUFFER_SIZE 262144, MAX_URI_SIZE 1024, BUF_SIZE 65535, DEFAULT PKG_SIZE 8MB poll method support: poll, epoll_lt, epoll_et, sigio_rt, select. id: fd8d0f compiled on 03:59:17 Feb 16 2021 with gcc 4.8.5 Install the packages required to compile RTPEngine yum -y install epel-release yum -y install glib glib-devel gcc zlib zlib-devel openssl openssl-devel pcre pcre-devel libcurl libcurl-devel xmlrpc-c xmlrpc-c-devel yum -y install libevent-devel glib2-devel json-c-devel json-glib json-glib-devel gperf libpcap-devel git perl-IPC-Cmd libiptcdata-devel libiptcdata-devel hiredis hiredis-devel redis iptables-devel libwebsockets-devel yum -y install spandsp spandsp-devel rpm --import http://li.nux.ro/download/nux/RPM-GPG-KEY-nux.ro yum -y install http://li.nux.ro/download/nux/dextop/el7/x86_64/nux-dextop-release-0-5.el7.… yum repolist yum -y install ffmpeg ffmpeg-devel yum -y install bcg729 bcg729-devel wget https://download1.rpmfusion.org/free/el/rpmfusion-free-release-7.noarch.rpm rpm -i rpmfusion-free-release-7.noarch.rpm Get RTPEngine source from GitHub repository: cd /usr/src git clone https://github.com/sipwise/rtpengine.git rtpengine cd rtpengine Compile and install the daemon cd /usr/src/rtpengine/daemon/ make cp -fr rtpengine /usr/sbin/rtpengine cp -fr rtpengine /usr/local/bin/rtpengine Compile and install iptables extension cd /usr/src/rtpengine/iptables-extension make all cp -fr libxt_RTPENGINE.so /usr/lib64/xtables/. Compile and install the kernel module xt_RTPENGINE cd /usr/src/rtpengine/kernel-module make cp -fr xt_RTPENGINE.ko /lib/modules/`uname -r`/extra/xt_RTPENGINE.ko depmod -a modprobe -v xt_RTPENGINE Check if the kernel module loaded properly: lsmod | grep xt_RTPENGINE Make to load the module at the boot time: echo "# load xt_RTPENGINE module" >> /etc/modules-load.d/rtpengine.conf echo "xt_RTPENGINE" >> /etc/modules-load.d/rtpengine.conf Check if RTPEngine is accessible: ls -l /proc/rtpengine/control | grep root Should see: –w–w—-. 1 root root 0 Oct 16 10:32 /proc/rtpengine/control ls -l /proc/rtpengine/list -r–r–r–. 1 root root 0 Oct 16 10:32 /proc/rtpengine/list Install configuration file Get your external IP (with ‘ip addr’ for example) In the following command change 111.111.111.111 to your external IP echo "OPTIONS=\"-i 111.111.111.111 -n 127.0.0.1:2223<http://127.0.0.1:2223> -m 10000 -M 60000 -L 4 --log-facility=local1 --table=8 --delete-delay=0 --timeout=60 --silent-timeout=600 --final-timeout=7200 –offer-timeout=60 --num-threads=12 --tos=184 –no-fallback\"" > /etc/sysconfig/rtpengine Configure RTPEngine log echo "local1.* -/var/log/rtpengine/rtpengine.log;clean_template" >> /etc/rsyslog.conf mkdir -p /var/log/rtpengine touch /var/log/rtpengine/rtpengine.log Configure logrotate echo "/var/log/rtpengine/rtpengine.log { daily rotate 4 missingok dateext copytruncate compress }" > /etc/logrotate.d/rtpengine Disable logging to /var/log/messages perl -pi.bak -e 's#(\s+)\/var\/log\/messages#;local1.none$1/var/log/messages#' /etc/rsyslog.conf systemctl restart rsyslog Configure RTPEngine service echo "[Unit] Description=Kernel based rtp proxy After=syslog.target After=network-online.target After=iptables.service Requires=network-online.target [Service] Type=forking PIDFile=/var/run/rtpengine.pid EnvironmentFile=-/etc/sysconfig/rtpengine ExecStart=/usr/local/bin/rtpengine -p /var/run/rtpengine.pid \$OPTIONS Restart=on-abort [Install] WantedBy=multi-user.target" > /etc/systemd/system/rtpengine.service Enable and start RTPEengine systemctl enable rtpengine.service mkdir -p /var/spool/rtpengine systemctl start rtpengine Check status systemctl status rtpengine.service Check if g729 installed properly rtpengine --codecs | grep "G729" vim /etc/sysconfig/rtpengine OPTIONS="-i publicIP -n 127.0.0.1:2223<http://127.0.0.1:2223> -m 10000 -M 20000 -L 4 --log-facility=local0 --table=8 --delete-delay=0 --timeout=60 --silent-timeout=600 --final-timeout=7200 –offer-timeout=60 --num-threads=12 --tos=184 –no-fallback –log-level=7 --recording-dir=/var/spool/rtpengine/ " sudo systemctl restart rtpengine no output from below command: [root@sp201 iptables-extension]# tail -f /proc/rtpengine/0/list Can someone guide me where I am doing wrong? Thank you in advance. -- Regards, Suresh Talasaniya. Contact : +91-9724264776 Skype : suresh.talsaniya

3 years, 1 month

UAC changing port for same registration

by Michal Popovic

Hello everybody, let's have a situation where UAC is behind the NAT and router suddenly change the external port. Kamailio in this case creates two location entries one with old port and one with the new one. Now UAC unregister from the new one and old location remains active until it expires and our support system that is listening to locations changes keep the agent online for other services. Is there any way besides the regular OPTIONS ping from UAS to UAC how to solve this issue? Thanks. Michal

3 years, 1 month

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sr-users March 2021