The document presents an overview of the OpenSIPS 2.3 release, detailing key features such as integration capabilities with other platforms, including FreeSWITCH and CGRates for billing. It emphasizes the importance of collaboration with partner projects to enhance system complexity and reduce user effort through shared solutions. Additionally, it highlights new scripting features and improvements for better event-based routing and asynchronous processing.

1. Bogdan Andrei Iancu
- 2 May 2017 -
Keynotes
OpenSIPS 2.3

2. Bogdan Iancu - OpenSIPS Project
Welcome
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3. Bogdan Iancu - OpenSIPS Project 3

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6. Bogdan Iancu - OpenSIPS Project
OpenSIPS 2.3 - when ?
● Beta release - 16th of March
● Stable Release – 26th April 2017
● General Availability – 2nd of May 2017
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7. Bogdan Iancu - OpenSIPS Project
Keyword “Integration”
● VoIP platforms/systems are more than SIP Engines/OpenSIPS
● OpenSIPS must have the ability to integrate and work
together in all possible means with other projects,
protocols, systems or concepts.
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8. Bogdan Iancu - OpenSIPS Project
Benefits of the “Integration”
● Ability to build complex systems
○ More possibilities means more value
○ Brings in third-party value
● Reduces the user effort
○ As required knowledge
○ As required work
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9. Bogdan Iancu - OpenSIPS Project
The Success of the “Integration”
● A collaboration with the teams of the partner projects in
terms of ideas, brainstorming, solutions and of course,
work.
● A collaboration that resulted in solutions and benefits
for all the involved communities.
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10. SIPCapturing/HOMER Integration

11. Bogdan Iancu - OpenSIPS Project
Integrated capturing
● non-SIP tracing - tracing more than SIP
● data correlation - see the being picture
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12. Bogdan Iancu - OpenSIPS Project
Integrated capturing
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OpenSIPS
Server
HOMER 6
Correlation between:
● SIP
● LOGS
● REST queries
● MI commands
● Transport layer (TLS, WS, WSS)
Capturing via HEP

13. Bogdan Iancu - OpenSIPS Project
Global view
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14. FreeSWITCH integration

15. Bogdan Iancu - OpenSIPS Project
Mid-registrar
● An OpenSIPS frontend can offload and help FreeSWITCH with
REGISTER traffic processing.
● OpenSIPS can prolong the registration sessions or can
aggregate all the registration for the same
AOR/subscriber.
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16. Bogdan Iancu - OpenSIPS Project
Mid-registrar 1
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OpenSIPS
Front-end
FreeSWITCH
SIP UAC
SIP UAC
SIP UAC
FreeSWITCH
FreeSWITCH
60 seconds registration
rate ->
60 registers / hour
3600 seconds registration
rate ->
1 register / hour

17. Bogdan Iancu - OpenSIPS Project
Mid-registrar 2
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OpenSIPS
Front-end
SIP UAC
SIP UAC
SIP UAC
3 devices per AOR ->
3 registers / AOR
1 contact per AOR
1 register / AOR
FreeSWITCH
FreeSWITCH
FreeSWITCH

18. Bogdan Iancu - OpenSIPS Project
FreeSWITCH driven LB
● get load feedback from FreeSWITCH via ESL
● do an accurate load-balancing over a FreeSWITCH cluster
● Adjust the load distributions to correct external
influence
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19. Bogdan Iancu - OpenSIPS Project
FreeSWITCH driven balancing
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OpenSIPS
Load Balancer
FreeSWITCH
FreeSWITCH
Load ??
Load info via HeartBeat (ESL)

20. CGRates Integration

21. Bogdan Iancu - OpenSIPS Project
CGRates
● SIP without billing is like a dinner without a good wine
● CGRateS is an open-source rating engine used for
○ carrier-grade, multi-tenant, real-time billing
○ Post and pre paid
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22. Bogdan Iancu - OpenSIPS Project
CGRates Integration
● Call authorization
● Accounting and charging
● CDR generation
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23. Bogdan Iancu - OpenSIPS Project
CGRates billing
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OpenSIPS
Server CGRates
SIP UAC
SIP UAC
SIP
JSONRPC
# do accounting for this call
cgrate_acc("cdr", "$fU", "$rU");

24. SIP-I Integration

25. Bogdan Iancu - OpenSIPS Project
SS7
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SS7 GW
Carrier
SIP UAC
SS7 SIP
$$$$$$$$$
● SS7 interconnections are costly and difficult to set

26. Bogdan Iancu - OpenSIPS Project
SIP-I
SIP-I is very powerful as:
● it is SIP based, so simple to deal with (comparing to
SS7, of course )
● it exposes SS7 specific data via the ISUP payload
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27. Bogdan Iancu - OpenSIPS Project
SIP-I is not SIP
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SIP Server
Carrier
SIP UAC
SIP-I SIP-I

28. Bogdan Iancu - OpenSIPS Project
SIP-I gatewaying
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OpenSIPS
Server
Carrier
SIP UAC
SIP-I SIP
Simple script usage:
● add_isup_part(“ANM”)
● strip_body_part(“application/isup”)
● $isup_param(Called Party Number | Address signal)

29. Event Based Routing

30. Bogdan Iancu - OpenSIPS Project
Event Based Routing
Addressed problems:
● communicate and exchange data with the processing of a
different SIP message
● synchronize or wait for actions related to the
processing of a different SIP message
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31. Bogdan Iancu - OpenSIPS Project
EBR concepts
● Implements a Subscriber - Notify model
● Events - triggered by actions / data processing during
runtime; events carry custom data.
● Subscriber - any IPS msg processing may subscribe for
events (with filtering)
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32. Bogdan Iancu - OpenSIPS Project
Event async waiting
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Time
SIP packet arrivals
Thread
1
Thread
2
SIP msg A
SIP msg B
wait(event X) resume()
event X

33. Bogdan Iancu - OpenSIPS Project
Event notification
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Time
SIP packet arrivals
Thread
1
Thread
2
SIP msg A
SIP msg B
trigger(eventX,handler)
eventX
handler

34. Bogdan Iancu - OpenSIPS Project
EBR scenarios
● Push notification
● Call pickup
● DTMF call driving
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35. Bogdan Iancu - OpenSIPS Project
Push Notification scenario
● we want to deliver the call right away to already
registered UACs, without any waiting due the PN logic.
● we want to do parallel forking (simultaneous ringing) to
newly registered UACs, as soon as it registers (as a
result of PN)
● we want to keep the call on, even if the registered UACs
declines it (maybe due to DND) and give a chance to the
PN to trigger the mobile device registration.
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36. Bogdan Iancu - OpenSIPS Project
Push Notification
Route[do_pn]{
t_newtran();
t_wait_for_new_branches();
$avp(filter) = "aor="+$rU+"@"+$rd;
notify_on_event("E_UL_CONTACT_INSERT","$avp(filter)","fork_call");
launch ( exec("/my/pn_triggering_script.sh") );
if (lookup("location"))
t_relay();
}
route[use_new_contact] {
t_inject_branches("event");
}
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37. And More….

38. Bogdan Iancu - OpenSIPS Project
RabbitMQ enhancements
● Direct trigger of RMQ messages from script
● Custom data can be pushed into RMQ messages
● Custom formatting (attributes/headers) of RMQ messages
● Fine tuning of the AMQP protocol options
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39. Bogdan Iancu - OpenSIPS Project
XML wise variables
● provides parsing and manipulation of XML documents
● Very useful for Presence related data manipulation
$xml(body) = $rb(application/dialog-info+xml);
$var(identity) = $xml(body/dialog-info/dialog/remote/identity.val);
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40. Bogdan Iancu - OpenSIPS Project
Extended Async Support
“Launch()” script statement
● Spinoff some processing without waiting for it to finish
● Continue the script execution (no resuming)
...
launch( avp_db_query("insert into .....") );
xlog("insert started, continuing...n);
...
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41. Bogdan Iancu - OpenSIPS Project
More Reliable Accounting
A more reliable way to populate ACC data
● $acc_extra[]
● $acc_leg[] (instead of old complicated AVP)
modparam("acc", "leg_fields", "log: caller; callee")
...
acc_new_leg();
$acc_leg(callee) = $ru;
...
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42. ● Bogdan Iancu
○ OpenSIPS Project: www.opensips.org
○ Email: bogdan@opensips.org
Enjoy OpenSIPS 2.3