The document discusses cdrtool, a call detail record (CDR) mediation and rating engine specifically for OpenSIPS, presented during the OpenSIPS Summit 2015. It outlines key functionalities, such as handling prepaid and postpaid accounts, rating plans, and detailed transaction logging. Additionally, the document highlights the integration of cdrtool with various software projects and features like quota checks for fraud control.

1. CDRTool
CDR mediation and rating engine for OpenSIPS
Presented by
@
saghul
Tijmen de Mes | @tijmenNL OpenSIPS Summit 2015

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SIP Infrastructure Experts
Hoi!
• @saghul, filling in for @tijmenNL
• AG Projects

3. #PrayForTijmen

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AG Projects
• SIP infrastructure (SIP Thor)
• Several software projects
• CDRTool
• CallControl
• MediaProxy
• OpenXCAP
• MSRPRelay

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CDRTool

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Adrian Georgescu

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How does it work?
M
CDRTool Rating engine
UPDATE
START
STOP
FAILED
CDR
Sip Trace
Media Trace
IP
SIP
RTP
Callcontrol
dlg_end_dlg()callcontrol()
MediaSessionTime()
DebitBalance()
Mediaproxy
Web Interface
OpenSIPS

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What is a CDR
• One record from the radacct table
• Contains all call information

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How do we get CDRs?
UPDATE
START
STOP
FAILED
CDR
IP
SIP
RTP
Mediaproxy
OpenSIPS

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Practical Setup
DatabaseOpenSIPS
ACC
Detail FileFreeradius
Procedure
Detail Record
Radius
Relay
Freeradius
Mediaproxy

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INVITE:
/usr/sbin/opensips[6504]: ACC: transaction answered:
timestamp=1431255722;method=INVITE;
from_tag=QcdHP9jDHKYx9zYCtxZJ57JQ23gRmitP;
to_tag=2Aq7d1o1bHcKviI2ql1cZNGOUIof6y84;
call_id=12nke0Err-MMtQVBWMdGGzWLKz7w2EoN;
code=200;reason=OK
BYE:
/usr/sbin/opensips[6505]: ACC: transaction answered:
timestamp=1431255727;method=BYE;
from_tag=QcdHP9jDHKYx9zYCtxZJ57JQ23gRmitP;
to_tag=2Aq7d1o1bHcKviI2ql1cZNGOUIof6y84;
call_id=12nke0Err-MMtQVBWMdGGzWLKz7w2EoN;
code=200;reason=OK

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CDRTool Rating
• Prepaid
• Postpaid

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Rating Plan
• Destinations
• Billing parties
• Source IP
• Domain
• Subscriber
• Profiles

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Normalising
• Set destination to the right format
• Calculate duration
• Apply a price

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Prepaid
• Accounts have a balance
• Balance needs to be debited
• Rating Engine returns maximum
session time

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CallControl
M
CDRTool Rating engine
Callcontrol
dlg_end_dlg()callcontrol()
MediaSessionTime()
DebitBalance()
OpenSIPS

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CallControl
• Max sessions per account
• Detect duplicate Call-ID
• Parallel sessions, one balance
• Max session duration

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Rating Engine
• Available with a socket interface
• MaxSession
• Debit Balance
• Show Price
• More (help shows them)

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Quota (Fraud control)
• Monthly
• Daily
• Quota check runs from cron

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Postpaid
• Rated after call completes
• Rated by normalising process

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Web Interface

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Rates

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Quota

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Prepaid

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SIP Trace

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Media Trace

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Media Sessions

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Traffic

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Commercial features
• Integration in P2P network SIP Thor
• Provisioning interface

33. Questions?

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tijmen@ag-projects.com
http://cdrtool.ag-projects.com
@tijmenNL
saul@ag-projects.com
@saghul