Detecting Online Charging

The OC-Charging-Result AVP in a CDR indicates whether online (Diameter Ro) charging was used for a session. This may be used to determine if further action is needed when processing CDRs offline.

  • An OC-Charging-Result value of -1 means that online charging was not used for the session.

  • Otherwise the value is set to the Diameter Result-Code AVP value.

Populated AVPs in the Multiple-Services-Credit-Control AVP

The Multiple-Services-Credit-Control AVP is of type grouped, and is defined in RFC 4006. Section 7.1.4 of 3GPP TS 32.299 defines it with additional 3GPP specific parameters and states some IETF parameters are not used in the 3GPP.

AVP Name Specification reference Included in CDR Included in CCR Included in ACR Comments

Requested-Service-Unit

IETF RFC 4006

No

Yes

No

Used in the CCR. The CDR represents this information in the OC-Session-Counter AVP

Used-Service-Unit

IETF RFC 4006 and 3GPP TS 32.299

No

Yes

No

Used in the CCR according to Populated AVPs in the Used-Service-Unit AVP. The CDR represents this information in the OC-Session-Counter AVP

Service-Identifier

IETF RFC 4006

Yes

Yes

Yes

For Originating attempts the AVP has the value 1. For Forwarded attempts the AVP has the value 2. For Terminating attempts the AVP has the value 3. For Network Initiated attempts the AVP has the value 4. For Immediate Event Charging the AVP has the value 50.

Rating-Group

IETF RFC 4006 and 3GPP TS 32.299 v12.11.0 section 7.1.10

No

Yes

No

This AVP is set according to Session Counters and the ratingGroup session state field.

Reporting-Reason

3GPP TS 32.299 v12.11.0 section 7.2.175

No

Yes

No

Trigger

3GPP TS 32.299 v12.11.0 section 7.2.235

No

No

No

PS-Furnish-Charging-Information

3GPP TS 32.299 v12.11.0 section 7.2.157

No

No

No

Refund-Information

3GPP TS 32.299 v12.11.0 section 7.2.171

No

No

No

AF-Correlation-Information

3GPP TS 32.299 v12.11.0 section 7.2.11

No

No

No

Envelope

3GPP TS 32.299 v12.11.0 section 7.2.59

No

No

No

Envelope-Reporting

3GPP TS 32.299 v12.11.0 section 7.2.61

No

No

No

Time-Quota-Mechanism

3GPP TS 32.299 v12.11.0 section 7.2.228

No

No

No

Service-Specific-Info

3GPP TS 32.299 v12.11.0 section 7.2.195

No

No

No

QoS-Information

3GPP TS 29.212

No

No

No

The BNF syntax for this AVP in 32.299 v12.11.0 is as follows:

<Multiple-Services-Credit-Control> ::=	   < AVP Header: 456 >

    [ Granted-Service-Unit ]   // not used in CCR
    [ Requested-Service-Unit ]
  * [ Used-Service-Unit ]
    [ Tariff-Change-Usage ]    // not used in 3GPP
  * [ Service-Identifier ]
    [ Rating-Group ]
  * [ G-S-U-Pool-Reference ]   // not used in CCR
    [ Validity-Time ]          // not used in CCR
    [ Result-Code ]            // not used in CCR
    [ Final-Unit-Indication ]  // not used in CCR
    [ Time-Quota-Threshold ]   // not used in CCR
    [ Volume-Quota-Threshold ] // not used in CCR
    [ Unit-Quota-Threshold ]   // not used in CCR
    [ Quota-Holding-Time ]     // not used in CCR
    [ Quota-Consumption-Time ] // not used in CCR
  * [ Reporting-Reason ]
    [ Trigger ]
    [ PS-Furnish-Charging-Information ]
    [ Refund-Information ]
  * [ AF-Correlation-Information]
  * [ Envelope ]
    [ Envelope-Reporting ]
    [ Time-Quota-Mechanism ]
  * [ Service-Specific-Info ]
    [ QoS-Information ]
  * [ AVP ]                    // not used in 3GPP

Populated AVPs in the Used-Service-Unit AVP

The Used-Service-Unit AVP is defined in IETF RFC 4006, and then its BNF is modified slightly in 3GPP TS 32.299 section 7.1.9.

AVP Name Specification reference Included in CDR Included in CCR Included in ACR Comments

Reporting-Reason

3GPP TS 32.299 v12.11.0 section 7.2.175

No

No

No

Tariff-Change-Usage

IETF RFC 4006

No

No

No

CC-Time

IETF RFC 4006

No

Yes

No

Used by default as the unit type for SIP Sessions

CC-Money

IETF RFC 4006

No

No typically

No

Not used out-of-the-box for Sentinel SIP

CC-Total-Octets

IETF RFC 4006

No

Not typically

No

Not used out-of-the-box for Sentinel SIP

CC-Input-Octets

IETF RFC 4006

No

Not typically

No

Not used out-of-the-box for Sentinel SIP

CC-Output-Octets

IETF RFC 4006

No

Not typically

No

Not used out-of-the-box for Sentinel SIP

The 3GPP definition (in v12.11.0) is

<Used-Service-Unit> ::=	   < AVP Header: 446 >
    [ Reporting-Reason ]
    [ Tariff-Change-Usage ]
    [ CC-Time ]
    [ CC-Money ]    // not used in 3GPP
    [ CC-Total-Octets ]
    [ CC-Input-Octets ]
    [ CC-Output-Octets ]
    [ CC-Service-Specific-Units ]
   *[ Event-Charging-TimeStamp ]
   *[ AVP ]        // not used in 3GPP

Populated AVPs in the Service-Information AVP

The Service-Information AVP is defined in 3GPP TS 32.299 v12.11.0. It is a grouped AVP. This table lists the AVPs grouped within Service-Information and how the product populates them.

AVP Name Specification reference Included in CDR Included in CCR Included in ACR Comments

SMS-Information

32.299 v12.11.0 section 7.2.211

Yes

Yes

Yes

The Sentinel IP-SM-GW product populates this AVP

MMTel-Information

32.299 v12.11.0 section 7.2.111

Yes

Yes

Yes

The Sentinel VoLTE product populates this AVP

Subscription-Id

IETF RFC 4006

Yes

No

Yes

3GPP TS 32.299 v12.11.0 states that it should be set on the Rf interface, not the Ro interface (see section 7.2.149)

AoC-Information

32.299 v12.11.0 section 7.2.15

No

No

No

Sentinel does not implement the advice of charge service out-of-the-box

PS-Information

32.299 v12.11.0 section 7.2.158

No

No

Yes

PS-Information AVP contains EPC layer information. It is only added in ACRs as a means of sending the IMEI in the User-Equipment-Information AVP.

IMS-Information

32.299 v12.11.0 section 7.2.77

Yes

Yes

Yes

See the IMS-Information table for further details

MMS-Information

32.299 v12.11.0 section 7.2.110

No

No

No

Sentinel does not implement any MMS node roles out-of-the-box

LCS-Information

32.299 v12.11.0 section 7.2.89

No

No

No

PoC-Information

32.299 v12.11.0 section 7.2.144

No

No

No

Sentinel does not implement the PoC service out-of-the-box

MBMS-Information

32.299 v12.11.0 section 7.2.99

No

No

No

Sentinel does not implement the MBMS service out-of-the-box

SMS-Information

32.299 v12.11.0 section 7.2.211

No

No

No

Sentinel does not implement the SMS service out-of-the-box

VCS-Information

32.299 v12.11.0 section 7.2.242A

No

No

No

MMTel-Information

32.299 v12.11.0 section 7.2.111

Yes

Yes

Yes

ProSe-Information

32.299 v12.11.0 section 7.2.154I

No

No

No

Service-Generic-Information

32.299 v12.11.0 section 7.2.191

No

No

No

IM-Information

32.299 v12.11.0 section 7.2.69

No

No

No

Sentinel does not implement IM services out-of-the-box

DCD-Information

32.299 v12.11.0 section 7.2.50

No

No

No

The BNF for the AVP is defined in section 7.2.149. It is as follows:

Service-Information :: = 	< AVP Header: 873>

  * [ Subscription-Id ]
    [ AoC-Information ]
    [ PS-Information ]
    [ IMS-Information ]
    [ MMS-Information ]
    [ LCS-Information ]
    [ PoC-Information ]
    [ MBMS-Information ]
    [ SMS-Information ]
    [ VCS-Information ]
    [ MMTel-Information ]
    [ ProSe-Information ]
    [ Service-Generic-Information ]
    [ IM-Information ]
    [ DCD-Information ]

Populated AVPs in the PS-Information AVP

The PS-Information AVP is defined in 3GPP TS 32.299 v12.11.0. It is a grouped AVP. This table lists the AVPs grouped within PS-Information and how the product populates them.

AVP Name Specification reference Included in CDR Included in CCR Included in ACR Comments

User-Equipment-Info

IETF RFC 4006

No

No

Yes

The IMEI is used rather than the IMEISV, and the User-Equipment-Type AVP is set to IMEISV. For CCRs and CDRs this AVP is present as a top level AVP.

The BNF for the AVP is defined in section 7.2.158. It is as follows:

PS-Information :: = 	< AVP Header: 874>

    [ 3GPP-Charging-Id ]
    [ PDN-Connection-Charging-ID ]
    [ Node-Id ]
    [ 3GPP-PDP-Type ]
  * [ PDP-Address ]
    [ PDP-Address-Prefix-Length ]
    [ Dynamic-Address-Flag ]
    [ Dynamic-Address-Flag-Extension ]
    [ QoS-Information ]
  * [ SGSN-Address ]
  * [ GGSN-Address ]
  * [ TDF-IP-Address ]
  * [ SGW-Address ]
  * [ ePDG-Address ]
    [ CG-Address ]
    [ Serving-Node-Type ]
    [ SGW-Change ]
    [ 3GPP-IMSI-MCC-MNC ]
    [ IMSI-Unauthenticated-Flag ]
    [ 3GPP-GGSN-MCC-MNC ]
    [ 3GPP-NSAPI ]
    [ Called-Station-Id ]
    [ 3GPP-Session-Stop-Indicator ]
    [ 3GPP-Selection-Mode ]
    [ 3GPP-Charging-Characteristics ]
    [ Charging-Characteristics-Selection-Mode ]
    [ 3GPP-SGSN-MCC-MNC ]
    [ 3GPP-MS-TimeZone ]
    [ Charging-Rule-Base-Name ]
    [ ADC-Rule-Base-Name ]
    [ 3GPP-User-Location-Info ]
    [ User-Location-Info-Time ]
    [ User-CSG-Information ]
    [ Presence-Reporting-Area-Information ]
    [ 3GPP2-BSID ]
    [ TWAN-User-Location-Info ]
    [ 3GPP-RAT-Type ]
    [ PS-Furnish-Charging-Information ]
    [ PDP-Context-Type ]
    [ Offline-Charging ]
  * [ Traffic-Data-Volumes ]
  * [ Service-Data-Container ]
    [ User-Equipment-Info ]
    [ Terminal-Information ]
    [ Start-Time ]
    [ Stop-Time ]
    [ Change-Condition ]
    [ Diagnostics ]
    [ Low-Priority-Indicator ]
    [ MME-Number-for-MT-SMS ]
    [ MME-Name ]
    [ MME-Realm ]
    [ Logical-Access-ID ]
    [ Physical-Access-ID ]
    [ Fixed-User-Location-Info ]
    [ CN-Operator-Selection-Entity ]

Populated AVPs in the IMS-Information AVP

The IMS-Information AVP is defined in 3GPP TS 32.299 v12.11.0. It is a grouped AVP. This table lists the AVPs grouped within IMS-Information and how the product populates them.

AVP Name Specification reference Included in CDR Included in CCR Included in ACR Comments

Event-Type

32.299 v12.11.0 section 7.2.65

Yes

Yes

Yes

Role-Of-Node

32.299 v12.11.0 section 7.2.177

Yes

Yes

Yes

Sessions with sescase of orig and orig_cdiv are in ORIGINATING_ROLE

Node-Functionality

32.299 v12.11.0 section 7.2.113

Yes

Yes

Yes

Set to value 6 as AS

User-Session-Id

32.299 v12.11.0 section 7.2.242

Yes

Yes

Yes

Set to the Call-Id for the initial request

Outgoing-Session-Id

32.299 v12.11.0 section 7.2.128A

No

No

No

Session-Priority

29.229

Yes

Yes

Yes

Set to value 2

Calling-Party-Address

32.299 v12.11.0 section 7.2.33

Yes

Yes

Yes

Called-Party-Address

32.299 v12.11.0 section 7.2.32

Yes

Yes

Yes

Called-Asserted-Identity

32.299 v12.11.0 section 7.2.31

Yes

Yes

Yes

Number-Portability-Routing-Information

32.299 v12.11.0 section 7.2.120

No

No

No

Carrier-Select-Routing-Information

32.299 v12.11.0 section 7.2.34

No

No

No

Alternate-Charged-Party-Address

32.299 v12.11.0 section 7.2.12

No

No

No

Requested-Party-Address

32.299 v12.11.0 section 7.2.176

Yes

Yes

Yes

This field is only included if different from the Called-Party-Address

Associated-URI

32.299 v12.11.0 section 7.2.26

No

No

No

Application-Server-Information

32.299 v12.11.0 section 7.2.24

No

No

No

Inter-Operator-Identifier

32.299 v12.11.0 section 7.2.80

Yes

Yes

Yes

Transit-IOI-List

32.299 v12.11.0 section 7.2.233B

No

No

No

IMS-Charging-Identifier

32.299 v12.11.0 section 7.2.75

Yes

Yes

Yes

SDP-Session-Description

32.299 v12.11.0 section 7.2.184

Yes

Yes

Yes

SDP-Media-Component

32.299 v12.11.0 section 7.2.180

Yes

Yes

Yes

Served-Party-IP-Address

32.299 v12.11.0 section 7.2.187

No

No

No

Server-Capabilities

29.229

No

No

No

Trunk-Group-ID

32.299 v12.11.0 section 7.2.237

No

No

No

Bearer-Service

32.299 v12.11.0 section 7.2.30

No

No

No

Service-Id

32.299 v12.11.0 section 7.2.190

No

No

No

Service-Specific-Info

32.299 v12.11.0 section 7.2.195

No

No

No

Message-Body

32.299 v12.11.0 section 7.2.103

No

No

No

Cause-Code

32.299 v12.11.0 section 7.2.35

Yes

Yes

Yes

Reason-Header

32.299 v12.11.0 section 7.2.164A

No

No

No

Access-Network-Information

32.299 v12.11.0 section 7.2.1

Yes

Yes

Yes

The first value in the SIP P-Access-Network-Info header is included as the value for this AVP

Early-Media-Description

32.299 v12.11.0 section 7.2.58

Yes

Yes

Yes

The most recent Early Media offer/answer is included

IMS-Communication-Service-Identifier

32.299 v12.11.0 section 7.2.76

Yes

Yes

Yes

IMS-Application-Reference-Identifier

32.299 v12.11.0 section 7.2.74A

No

No

No

Online-Charging-Flag

32.299 v12.11.0 section 7.2.122

No

No

No

Real-Time-Tariff-Information

32.299 v12.11.0 section 7.2.164

No

No

No

Account-Expiration

32.299 v12.11.0 section 7.2.2

No

No

No

Initial-IMS-Charging-Identifier

32.299 v12.11.0 section 7.2.79A

No

No

No

NNI-Information

32.299 v12.11.0 section 7.2.112A

No

No

No

From-Address

32.299 v12.11.0 section 7.2.67A

No

No

No

IMS-Emergency-Indicator

32.299 v12.11.0 section 7.2.76A

No

No

No

IMS-Visited-Network-Identifier

32.299 v12.11.0 section 7.2.77A

No

No

No

Access-Transfer-Information

32.299 v12.11.0 section 7.2.1A

No

No

No

Related-IMS-Charging-Identifier

32.299 v12.11.0 section 7.2.171B

No

No

No

Related-IMS-Charging-Identifier-Node

32.299 v12.11.0 section 7.2.171C

No

No

No

Route-Header-Received

32.299 v12.11.0 section 7.2.177A

No

No

No

Route-Header-Transmitted

32.299 v12.11.0 section 7.2.177B

No

No

No

Instance-Id

32.299 v12.11.0 section 7.2.70A

No

No

No

TAD-Identifier

32.299 v12.11.0 section 7.2.219A

No

No

No

The BNF syntax for the IMS-Information AVP according to 3GPP TS 32.299 v12.11.0 is as follows

    IMS-Information :: =        < AVP Header: 876>
    [ Event-Type ]
    [ Role-Of-Node ]
    { Node-Functionality }
    [ User-Session-Id ]
    [ Outgoing-Session-Id ]
    [ Session-Priority ]
 *  [ Calling-Party-Address ]
    [ Called-Party-Address ]
 *  [ Called-Asserted-Identity ]
    [ Number-Portability-Routing-Information ]
    [ Carrier-Select-Routing-Information ]
    [ Alternate-Charged-Party-Address ]
 *  [ Requested-Party-Address ]
 *  [ Associated-URI ]
    [ Time-Stamps ]
 *  [ Application-Server-Information ]
 *  [ Inter-Operator-Identifier ]
 *  [ Transit-IOI-List ]
    [ IMS-Charging-Identifier ]
 *  [ SDP-Session-Description ]
 *  [ SDP-Media-Component ]
    [ Served-Party-IP-Address ]
    [ Server-Capabilities ]
    [ Trunk-Group-ID ]
    [ Bearer-Service ]
    [ Service-Id ]
 *  [ Service-Specific-Info ]
 *  [ Message-Body ]
    [ Cause-Code ]
 *  [ Reason-Header ]
 *  [ Access-Network-Information ]
 *  [ Early-Media-Description ]
    [ IMS-Communication-Service-Identifier ]
    [ IMS-Application-Reference-Identifier ]
    [ Online-Charging-Flag ]
    [ Real-Time-Tariff-Information ]
    [ Account-Expiration ]
    [ Initial-IMS-Charging-Identifier ]
  * [ NNI-Information ]
    [ From-Address ]
    [ IMS-Emergency-Indicator ]
    [ IMS-Visited-Network-Identifier ]
 *  [ Access-Transfer-Information ]
    [ Related-IMS-Charging-Identifier ]
    [ Related-IMS-Charging-Identifier-Node ]
    [ Route-Header-Received ]
    [ Route-Header-Transmitted ]
    [ Instance-Id ]
    [TAD-Identifier]

Populated OpenCloud AVPs

The population of OpenCloud AVPs is described here. The definition of OpenCloud AVPs is provided in Sentinel AVP definitions.

AVP Name Specification reference Included in CDR Included in CCR Included in ACR Comments

OC-Sentinel-Selection-Key

OC-Sentinel-Selection-Key

Yes

No

Yes

n/a

OC-Play-Announcement-Id

OC-Play-Announcement-Id

Yes

No

Yes

n/a

OC-Call-Type

OC-Call-Type

Yes

No

Yes

Role-Of-Node AVP has similar meaning on the Ro interface

OC-Service-Type

OC-Service-Type

Yes

No

Yes

n/a

OC-Charging-Result

OC-Charging-Result

Yes

No

Yes

OC-OCS-Session-Id

OC-OCS-Session-Id

Yes

No

Yes

This is the session ID in Ro

OC-OCS-Session-Termination-Cause

OC-OCS-Session-Termination-Cause

Yes

No

Yes

OC-Sentinel-Error

OC-Sentinel-Error

Yes

No

Yes

OC-Charging-Instance

OC-Charging-Instance

Yes

No

Yes

OC-Event-Id

OC-Event-Id

Yes

No

Yes

OC-Call-Id

OC-Call-Id

Yes

No

Yes

The Ro Session Id optional part includes the SIP Call ID

OC-End-Session-Cause

OC-End-Session-Cause

Yes

No

Yes

OC-Start-Time

OC-Start-Time

Yes

No

Yes

OC-End-Time

OC-End-Time

Yes

No

Yes

OC-Session-Start-Time

OC-Session-Start-Time

Yes

No

Yes

OC-Session-Established-Time

OC-Session-Established-Time

Yes

No

Yes

Included if an INVITE session is answered

OC-Session-End-Time

OC-Session-End-Time

Yes

No

Yes

OC-Session-Counter

OC-Session-Counter

Yes

No

Yes

OC-Interim-CDR-Trigger

OC-Interim-CDR-Trigger

Yes

No

Yes

OC-Access-Network-MCC-MNC

OC-Access-Network-MCC-MNC

Yes

Yes

Yes

OC-Visited-Network-MCC-MNC

OC-Visited-Network-MCC-MNC

Yes

Yes

Yes

OC-IMSI-MCC-MNC

OC-IMSI-MCC-MNC

Yes

Yes

Yes

OC-Session-Failover-Detected

OC-Session-Failover-Detected

Yes

Yes

Yes
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Sentinel Express Version 3.1.0