Ss7 isup homer
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The document discusses using Homer to debug ISUP/SIP calls by capturing network traffic. Homer allows capturing SIP, ISUP, and other protocols in one tool. It involves installing a capture agent to collect traffic, sending it to a capture node like Kamailio that processes the data, and storing it in a MySQL database. A web interface called Webhomer provides a GUI to view analyzed calls and troubleshoot issues across different protocols in a single tool.
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![J?ran Vinzens
linkedin.com/in/jvinzens
capture agent
captureplans/isup_capture_plan.cfg
capture[pcap] {
if (parse_isup()) {
if(!send_hep("homer")) {
clog("ERROR", "ISUP: Enter good error message here");
}
} else{
clog("ERROR", "ISUP: Enter good error message here");
}
}
http://sipg.at/homerconfig](https://image.slidesharecdn.com/ss7isuphomer-171005134042/85/Ss7-isup-homer-14-320.jpg)
![J?ran Vinzens
linkedin.com/in/jvinzens
capture node
kamailio.cfg
loadmodule "ss7ops.so"
####
event_route[sipcapture:request] {
if ($hep(0x00b) == 8) {
$var(payload) = $hep(0x00f);
$var(res) = isup_to_json(8);
if ($var(res) == 1) {# just route there is valid ISUP
route(STORE_ISUP);
drop;
}
else {
return 0;
}
}
http://sipg.at/homerconfig](https://image.slidesharecdn.com/ss7isuphomer-171005134042/85/Ss7-isup-homer-17-320.jpg)
![J?ran Vinzens
linkedin.com/in/jvinzens
capture node
kamailio.cfg
loadmodule "ss7ops.so"
####
event_route[sipcapture:request] {
if ($hep(0x00b) == 8) {
$var(payload) = $hep(0x00f);
$var(res) = isup_to_json(8);
if ($var(res) == 1) {# just route there is valid ISUP
route(STORE_ISUP);
drop;
}
else {
return 0;
}
}
http://sipg.at/homerconfig
Do not forget SIP, logs, RTCP
in your event route!!](https://image.slidesharecdn.com/ss7isuphomer-171005134042/85/Ss7-isup-homer-18-320.jpg)
![J?ran Vinzens
linkedin.com/in/jvinzens
capture node
kamailio.cfg
route[STORE_ISUP] {
$var(json) = $(isup(1){sql.val});
$var(method) = $(isup(method){sql.val});
$var(opc) = $isup(opc);
$var(dpc) = $isup(dpc);
lots of vars
$var(table) = "isup_capture_all_" + $var(utc);
sql_query("is", "INSERT INTO $var(table)
(correlation_id, method, opc, dpc, cic, called_inn, called_ton,
called_npi, called_number, calling_ni, calling_restrict,
lots of inserts
}
http://sipg.at/homerconfig](https://image.slidesharecdn.com/ss7isuphomer-171005134042/85/Ss7-isup-homer-20-320.jpg)
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This document discusses using Asterisk Gateway Interface (AGI), Asterisk Manager Interface (AMI), and Asterisk REST Interface (ARI) to build telephony features. It proposes using AGI for generic call setup/teardown and feature determination, and ARI apps running on an ARI proxy to control individual features during calls. This decouples features from Asterisk and isolates them, improving testability, replaceability, and avoiding direct developer interaction with Asterisk dialplan. The approach moves routing logic away from Asterisk and enables any feature via a low-level ARI API and high-level feature control.SITREP - Asterisk REST. The first steps are done, now what? - CommCon 2019
SITREP - Asterisk REST. The first steps are done, now what? - CommCon 2019J?ran Vinzens
?
- The current Asterisk infrastructure is complex, outdated, and difficult to maintain. It uses custom patches and an old version of chan_sip.
- The team wants to update components, simplify interactions, and eliminate custom code to make the system more secure, scalable, and able to utilize new Asterisk features.
- They plan to use Asterisk REST Interface (ARI) to create a new interface and decouple Asterisk from the call controller for improved scalability. This will involve a step-by-step "soft" migration rather than a full rewrite.astricon2018
astricon2018J?ran Vinzens
?
This document discusses the motivation, design, and implementation of a distributed high availability Asterisk application using Stasis and ARI over Kafka. The current setup uses AGI and AMI with an evolved monolithic architecture. The new approach uses ARI, modularizes the system, and uses a single Asterisk server. Kamailio dispatches calls and observes Asterisk. A Stasis app handles SIP/media, and a call controller manages call logic and routing. ARI events are sent to Kafka, and commands are sent back. This allows for transparent server farms, easy scaling, and restart safety while meeting demands for high availability, performance, scalability, and continuous deployment.Astricon 2015
Astricon 2015J?ran Vinzens
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sipgate built a carrier grade VoIP infrastructure in Germany over 10 years, starting as a small VoIP carrier in 2004 and expanding to interconnect with telecom carriers via SS7 and support carrier features. Their infrastructure now uses YATE to handle SS7 interconnect, MAP/CAMEL protocols and control media gateways, Asterisk for billing, announcements and PBX features, Kamailio as a SIP back-to-back user agent and stateful proxy, and monitoring tools to oversee the complex signaling and media routing across systems.Astricon 2016
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The document discusses securing VoIP systems against common fraud scenarios like international revenue share fraud, payment fraud, denial of service attacks, and identity theft. It provides tips for securing the network, SIP service, phones/endpoints, and administering the system through measures like firewalls, strong passwords, call limits, whitelisting valid numbers and destinations, monitoring, and being vigilant against fraud. The overarching message is that fraud is an ongoing issue requiring continuous effort to improve security.Astricon 2017 Superpower of deployment tools
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The document discusses using deployment tools like Ansible to automate configuration management. Previously, manual deployment and patching occurred every two weeks. Ansible can enable continuous deployment, automatic testing and rollback, and remove the need for specialized knowledge. It works by triggering Jenkins when code is pushed, building packages, running Ansible scripts to install packages, configure systems, run tests, and rollback if needed. Templates allow host-specific configurations. Ansible can perform tasks across multiple systems and be used to automate common administration tasks.Ad
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Ss7 isup homer
- 1. ISUP / SIP debugging using homer J?ran Vinzens linkedin.com/in/jvinzens
- 2. J?ran Vinzens VoIP engineer sipgate GmbH SIP and SS7 J?ran Vinzens linkedin.com/in/jvinzens
- 3. J?ran Vinzens linkedin.com/in/jvinzens SIP debugging - wireshark - Asterisk logs - kamailio logs Cons: - only for operations - complex for basics - need to know the code
- 4. J?ran Vinzens linkedin.com/in/jvinzens Use of SS7 and SIP - SS7 carrier interconnection ISUP - mobile integration ISUP, CAMEL/MAP - YATE as SS7 adapter
- 5. J?ran Vinzens linkedin.com/in/jvinzens Use of SS7 and SIP What about debugging SS7?
- 6. J?ran Vinzens linkedin.com/in/jvinzens SS7 debugging - t-shark - log files - educated guess * at least the ISUP
- 7. J?ran Vinzens linkedin.com/in/jvinzens Reason for homer integration one tool for calls other tools very expensive easy use
- 8. J?ran Vinzens linkedin.com/in/jvinzens SS7 setup STP MGC VoIP Service SIP SIGTRAN ISUP SCTP ISDN MG MGCP RTP STM1 / S2M Capture Agent
- 10. J?ran Vinzens linkedin.com/in/jvinzens Configuration: Capture agent Capture node MySQL DB Webhomer
- 11. J?ran Vinzens linkedin.com/in/jvinzens Configuration: All config files available online: -> http://sipg.at/homerconfig
- 12. J?ran Vinzens linkedin.com/in/jvinzens capture agent captagent.xml <configuration name="modules.conf" description="Modules"> <modules> <load module="transport_json" register="local"/> <load module="transport_hep" register="local"/> <load module="protocol_sip" register="local"/> <load module="protocol_ss7" register="local"/> <load module="database_hash" register="local"/> <load module="socket_pcap" register="local"/> </modules> </configuration> http://sipg.at/homerconfig
- 13. J?ran Vinzens linkedin.com/in/jvinzens capture agent socket_pcap.xml <?xml version="1.0"?> <document type="captagent_module/xml"> <module name="socket_pcap" description="HEP Socket" serial="2014010402"> <profile name="socketspcap_isup" description="HEP Socket" enable="true" serial="2014010402"> <settings> <param name="dev" value="bond0"/> <param name="promisc" value="false"/> <param name="reasm" value="true"/> <param name="ipv4fragments" value="true"/> <param name="ipv6fragments" value="true"/> <param name="capture-plan" value="isup_capture_plan.cfg"/> <param name="filter"> <value>(sctp)</value> </param> </settings> </profile> </module> </document> http://sipg.at/homerconfig
- 14. J?ran Vinzens linkedin.com/in/jvinzens capture agent captureplans/isup_capture_plan.cfg capture[pcap] { if (parse_isup()) { if(!send_hep("homer")) { clog("ERROR", "ISUP: Enter good error message here"); } } else{ clog("ERROR", "ISUP: Enter good error message here"); } } http://sipg.at/homerconfig
- 15. J?ran Vinzens linkedin.com/in/jvinzens capture agent vinzens@awesomeMashine:/usr/local/etc/captagent$ ps fax ... 5259 ? S 0:00| _ supervise captagent 5263 ? Sl 8:42| | _ captagent -f /usr/local/etc/captagent/captagent.xml ... vinzens@awesomeMashine:/usr/local/etc/captagent$ http://sipg.at/homerconfig
- 16. J?ran Vinzens linkedin.com/in/jvinzens capture agent vinzens@awesomeMashine:~$ ngrep -pqt -d any -W byline '' port 9060 interface: any filter: (ip or ip6) and ( port 9060 ) U 2017/04/25 11:52:10.210486 1.2.3.4:58431 -> 5.6.7.8:9060 HEP3.......................X.......X..... X..J... . ..5R............ ......... .tt...... .tt.......stp01MyHep2001.....2.......,.................>..........}....... http://sipg.at/homerconfig
- 17. J?ran Vinzens linkedin.com/in/jvinzens capture node kamailio.cfg loadmodule "ss7ops.so" #### event_route[sipcapture:request] { if ($hep(0x00b) == 8) { $var(payload) = $hep(0x00f); $var(res) = isup_to_json(8); if ($var(res) == 1) {# just route there is valid ISUP route(STORE_ISUP); drop; } else { return 0; } } http://sipg.at/homerconfig
- 18. J?ran Vinzens linkedin.com/in/jvinzens capture node kamailio.cfg loadmodule "ss7ops.so" #### event_route[sipcapture:request] { if ($hep(0x00b) == 8) { $var(payload) = $hep(0x00f); $var(res) = isup_to_json(8); if ($var(res) == 1) {# just route there is valid ISUP route(STORE_ISUP); drop; } else { return 0; } } http://sipg.at/homerconfig Do not forget SIP, logs, RTCP in your event route!!
- 19. J?ran Vinzens linkedin.com/in/jvinzens capture node kamailio.cfg if ($hep(0x00b) == 8) { # M2UA $var(payload) = $hep(0x00f); $var(res) = isup_to_json(8); ... ... } if ($hep(0x00b) == 13) { # M2PA $var(payload) = $hep(0x00f); $var(res) = isup_to_json(13); ... ... } http://sipg.at/homerconfig
- 20. J?ran Vinzens linkedin.com/in/jvinzens capture node kamailio.cfg route[STORE_ISUP] { $var(json) = $(isup(1){sql.val}); $var(method) = $(isup(method){sql.val}); $var(opc) = $isup(opc); $var(dpc) = $isup(dpc); lots of vars $var(table) = "isup_capture_all_" + $var(utc); sql_query("is", "INSERT INTO $var(table) (correlation_id, method, opc, dpc, cic, called_inn, called_ton, called_npi, called_number, calling_ni, calling_restrict, lots of inserts } http://sipg.at/homerconfig
- 21. J?ran Vinzens linkedin.com/in/jvinzens MySQL homer_data Tldr; -> link for dump CREATE TABLE `isup_capture_all_20170420` ( `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,`date` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,`micro_ts` bigint(18) NOT NULL DEFAULT '0',`method` varchar(4) NOT NULL DEFAULT '',`correlation_id` varchar(256) NOT NULL DEFAULT '',`opc` int(10) NOT NULL DEFAULT '0',`dpc` int(10) NOT NULLDEFAULT '0',`cic` int(10) NOT NULL DEFAULT '0',`called_number` varchar(16) DEFAULT '',`called_ton` int(10)DEFAULT '0',`called_npi` int(10) DEFAULT '0',`called_inn` int(10) DEFAULT '0',`calling_number`varchar(16) DEFAULT '',`calling_ton` int(10) DEFAULT '0',`calling_npi` int(10) DEFAULT'0',`calling_ni` int(10) DEFAULT '0',`calling_restrict` int(10) DEFAULT '0',`calling_screened` int(10)DEFAULT '0',`calling_category` int(10) DEFAULT '0',`cause_standard` int(10) DEFAULT '0',`cause_location` int(10) DEFAULT '0',`cause_itu_class` int(10) DEFAULT '0',`cause_itu_cause` int(10)DEFAULT '0',`event_num` int(10) DEFAULT '0',`hop_counter` int(10) DEFAULT '0',`nci_satellite` int(10)DEFAULT '0',`nci_continuity_check` int(10) DEFAULT '0',`nci_echo_device` int(10) DEFAULT '0',`fwc_nic`int(10) DEFAULT '0',`fwc_etem` int(10) DEFAULT '0',`fwc_iw` int(10) DEFAULT '0',`fwc_etei`int(10)DEFAULT '0',`fwc_isup` int(10) DEFAULT '0',`fwc_isup_pref` int(10) DEFAULT '0',`fwc_ia`int(10) DEFAULT '0',`fwc_sccpm` int(10) DEFAULT '0',`transmission_medium` int(10) DEFAULT '0',`user_coding_standard` int(10) DEFAULT '0',`user_transfer_cap` int(10) DEFAULT '0',`user_transfer_mode`int(10) DEFAULT '0',`user_transfer_rate` int(10) DEFAULT '0',`user_layer1_ident`int(10) DEFAULT '0',`user_layer1_proto` int(10) DEFAULT '0',`source_ip` varchar(60) NOTNULL DEFAULT '',`source_port` int(10) NOT NULL DEFAULT '0',`destination_ip` varchar(60) NOT NULL DEFAULT'',`destination_port` int(10) NOT NULL DEFAULT '0',`proto` int(5) NOT NULL DEFAULT '0',`family` int(1)DEFAULT NULL,`type` int(5) NOT NULL DEFAULT '0',`node` varchar(125) NOT NULL DEFAULT '',`msg`varchar(5000) NOT NULL DEFAULT '',expires` int(5) NOT NULL DEFAULT '-1',PRIMARY KEY (`id`,`date`),KEY`date` (`date`),KEY `called_number` (`called_number`),KEY `calling_number`(`calling_number`),KEY `correlationid` (`correlation_id`(255))) ENGINE=InnoDB DEFAULT CHARSET=utf8 ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=8 COMMENT='20170420'; Do not forget to enable rotate Script for new tables http://sipg.at/homerconfig
- 25. J?ran Vinzens linkedin.com/in/jvinzens Webhomer How does it look?
- 31. Special thanks to: Homer project Holger Freyther (moiji-mobile.com) J?ran Vinzens linkedin.com/in/jvinzens