Call Result

M

This IE contains the charging information to be provided by the IM‑SSF.

Time Duration Charging Result

M

This IE is a list defined in the next table.

Time Information

M

This IE is a choice between Time if No Tariff Switch and Time if Tariff Switch. This IE is described in the next table.

Party To Charge

M

This IE is received in the related ApplyCharging operation to correlate the result to the request. This IE shall be a copy of the corresponding IE received in the Apply Charging operation.

Call Active

M

This IE indicates whether the call is active or not.

Call Released at Tcp Expiry

C

This element is an indication that the IM‑SSF has released the call and terminated the dialogue, due to Tcp expiry.
It shall be present when ACR is sent due to Tcp expiry and the IM‑SSF has released the call (because "ReleaseIfExceeded" was present in ACH operation).
In all other circumstances, this element shall be absent.

Time If No Tariff Switch

C

This IE will be present if no tariff switch has occurred since the reception of the first Apply Charging IF for the connection to the Called Party or the MRFC connection, otherwise it will be absent.

If Answer was detected for the connection to the Called Party or the MRFC connection, then the elapsed time since detection of Answer shall be reported.

If answer was not detected, it shall be set to "0".

Time If Tariff Switch

C

This IE will be present if a tariff switch has occurred since the reception of the first Apply Charging IF for the connection to the Called Party or the MRFC connection, otherwise it will be absent.

Gap Criteria

M

This IE specifies the criteria for a call to be subject to call gapping.

Gap Indicators

M

This parameter indicates the gapping characteristics.

Control Type

O

This parameter indicates the reason for activating call gapping.

The value "sCPOverloaded" indicates that an automatic congestion detection and control mechanism in the SCP has detected a congestion situation.

The value "manuallyInitiated" indicates that the service and or network/service management centre has detected a congestion situation, or any other situation that requires manually initiated controls.

The controlType "manuallyInitiated" will have priority over "sCPOverloaded" call gap.

Gap Treatment

O

This parameter indicates how calls that were rejected due to the call gapping condition and for which the Default Call Handling was set to "Release Call" shall be treated.

M Mandatory (The IE shall always be sent).

O Optional (Service logic dependent).

Basic Gap Criteria

O

This IE is a choice of various basic criteria.

Compound Gap Criteria

O

This IE is a choice of various criteria including an ScfID.

O Optional (Service logic dependent).

Basic Gap Criteria

M

This IE is a choice of various criteria.

ScfID

O

This IE contains the address of the gsmSCF which initiated the CallGapping.

M Mandatory (The IE shall always be sent).

O Optional (Service logic dependent).

Called Address

O

This parameter contains a string of digits. At each call attempt, when the leading digits of the dialled number match this specific value, the call gapping treatment shall be applied to this call.

Service

O

This parameter contains a service key value. At each call attempt, when the service key matches this specific value, the call gapping treatment shall be applied to this call.

Called Address and Service

O

This parameter contains a specific string of digits and a service key value. At each call attempt, when the leading digits of the dialled number and the service key of a call match these specific values, the call gapping treatment shall be applied to this call.

Calling Address and Service

O

This parameter contains a specific string of digits and a service key value. At each call attempt, when the leading digits of the calling party number and the service key match these specific values, the call gapping treatment shall be applied to this call.

O Optional (Service logic dependent).

Duration

M

Duration specifies the total time interval during which call gapping for the specified gap criteria will be active.

A duration of 0 indicates that gapping is to be removed.

A duration of -2 indicates a network specific duration.

Other values indicate duration in seconds.

Interval

M

This parameter specifies the minimum time between calls being allowed through.

An interval of 0 indicates that calls meeting the gap criteria are not to be rejected.

An interval of -1 indicates that all calls meeting the gap criteria are to be rejected.

Other values indicate interval in milliseconds.

M Mandatory (The IE shall always be sent).

Information To Send

O

This parameter indicates an announcement or a tone to be sent to the calling party. At the end of information sending, the call shall be released.

Release Cause

O

If the call is to be released, this IE indicates a specific cause value to be sent in the release message. See ETSI EN 300 356-1 [20] for the coding.

O Optional (Service logic dependent).

In-band Info

O

This parameter specifies the in-band information to be sent.

Tone

O

This parameter specifies a tone to be sent to the end‑user.

O Optional (Service logic dependent).

Message Id

M

This parameter indicates the message(s) to be sent, it can be one of the following.

Message Duration

O

This parameter indicates the maximum time duration in seconds that the message shall be played/repeated. ZERO indicates endless repetition.

M Mandatory (The IE shall always be sent).

O Optional (Service logic dependent).

Elementary Message Id

O

This parameter indicates a single announcement.

O Optional (Service logic dependent).

Requested Information List

M

This IE specifies a list of Requested information Values which are requested.

Leg ID

M

This IE indicates the party in the call for which information shall be collected.

Event type BCSM

M

This IE specifies the type of event that is reported.

Event Specific Information BCSM

C

This IE indicates the call related information specific to the event.

Leg ID

M

This IE indicates the party in the call for which the event is reported.

Misc Call Info

M

This IE indicates the DP type.

Destination address

M

This IE specifies the destination address for the call leg.

The NatureOfAddress indicator may contain a national-specific value. For some national-specific NatureOfAddress indicator values the length of the digit part of destination address may be zero.

Cause

C

This IE indicates the cause.

Media Type Info List

M

M

This IE indicates the media types associated with the SIP call session. This IE shall contain the media description(s) received from the S‑CSCF.

Called Party Number

C

C

This IE contains the ISDN number used to identify the called party in the forward direction.

The ISDN called party number is received from the gsmSCF due to the previous CAMEL processing or is derived from the SIP URL received from the S‑CSCF for the destination address.

For all IM terminating call scenarios, at least one of the following IEs shall be present:

– CalledPartyNumber

– CalledPartyURL

Called Party URL

C

C

This IE contains the SIP URL used to identify the called party in the forward direction.

For all IM terminating call scenarios, at least one of the following IEs shall be present:

– CalledPartyNumber

– CalledPartyURL

Calling Party Number

C

C

This IE carries the ISDN calling party number to identify the calling party or the origin of the call.

For all IM originating call scenarios, at least one of the following IEs shall be present:

– CallingPartyNumber

– CallingPartyURL

Calling Party URL

C

C

This IE contains the SIP URL used to identify the calling party or the origin of the call.

For all IM originating call scenarios, at least one of the following IEs shall be present:

– CallingPartyNumber

– CallingPartyURL

Calling Party Category

C

C

Indicates the type of calling party (e.g., operator, pay phone, ordinary subscriber).

CallGap Encountered

C

C

This parameter indicates the type of gapping the related call has been subjected to.

This parameter shall be present only if a call gapping context is applicable to the initialDP operation.

SIP Call ID

M

M

This IE represents a globally unique identifier for the SIP call. This IE may be used by the gsmSCF for inclusion in a network optional gsmSCF call record.

This IE is received from the SIP request message from S‑CSCF.

Cause

C

C

This IE indicates the cause specific to the armed BCSM DP event. This IE is applicable to DP Route_Select_Failure and DP T_Busy. The cause may be used by the SCF to decide about the further handling of the call.

For IM Termination for an unregistered subscriber, the Cause IE shall be set to indicate Subscriber Absent.

Event Type BCSM

M

M

This IE indicates the armed BCSM DP event, resulting in the Initial DP IF.

This IE shall be set to indicate DP T_Busy if a not reachable event is detected (e.g. IM termination to a subscriber not currently registered).

IMSI

M

M

This IE identifies the mobile subscriber.

This IE shall contain the IMSI value received from the S‑CSCF during notification of a SIP registration.

IP SSP Capabilities

C

C

This IE indicates which MRFC resources are supported within the IM‑SSF and are available. If this IE is absent, this indicates that no MRFC is attached and available.

IM‑SSF Address

M

M

This IE represents the E.164 address of the IM‑SSF from which the InitialDP operation is sent from.

Original Called Party ID

C

C

This contains the ISDN number used to identify the original destination number if the call has been forwarded on route to the IM‑SSF or is forwarded by the gsmSCF due to the previous CAMEL processing.

Original Called Party URL

C

C

This IE contains the SIP URL identifying the original destination number if the call has been forwarded on route to the IM—SSF or is forwarded by the gsmSCF due to the previous CAMEL processing.

Redirecting Party ID

C

C

This IE indicates the ISDN number identifying the directory number the call was redirected from. This IE shall also be sent if it was received from the gsmSCF due to the previous CAMEL processing.

Redirecting Party URL

C

C

This IE indicates the SIP URL identifying the directory number the call was redirected from. This IE shall also be sent if it was received from the gsmSCF due to the previous CAMEL processing.

Redirection Information

C

C

This IE contains forwarding related information, such as redirection reason. This IE shall also be sent if it was received from the gsmSCF due to the previous CAMEL processing.

Service Key

M

M

This IE indicates to the gsmSCF the requested CAMEL Service. It is used to address the required application/SLP within the gsmSCF.

Subscriber State

–

C

This IE indicates the status of the IMS Subscriber. The states are:

– CAMELBusy: The IMS subscriber is engaged on a transaction for an originating or terminating IM call session.

– NetworkDeterminedNotReachable: The network can determine from its internal data that the IMS subscriber is not reachable.

– AssumedIdle: The state of the IMS subscriber is neither "CAMELBusy" nor "NetworkDeterminedNotReachable".

Time And Timezone

M

M

This IE contains the time that the IM‑SSF was triggered, and the time zone the IM‑SSF resides in.

ACh Billing Charging Characteristics

M

This IE specifies the charging related information to be provided by the IM‑SSF and the conditions on which this information has to be provided back to the gsmSCF.

Party To Charge

M

This IE shall be reflected in the corresponding IE of the Apply Charging Report operation. This IE has no effect on the charging procedures in the MSC.

Time Duration Charging

M

This IE is described in the next table.

Max Call Period Duration

M

This IE indicates the maximum call period duration timer.

Tariff Switch Interval

O

This IE indicates the tariff switch time until the next tariff switch applies.

Release If Duration Exceeded

O

This IE indicates that the call shall be released when the Max call Period Duration expires, with a warning tone if the Play Tone IE is present. The cause used in the release message shall be "normal unspecified".

Default is to continue the call.

Play Tone

O

This IE is set if a tone has to be played to the party for whom the BCSM is operating. If present, this IE indicates that 30 seconds before the Max Call Period Duration timer expires,

a triple tone of 900 Hz (200 milliseconds tone, 200 milliseconds pause) shall be played.

Requested Information Type List

M

This IE specifies a list of specific items of information which are requested.

Leg ID

M

This IE indicates the party in the call for which information shall be collected.

Call Attempt Elapsed Time

O

This IE indicates that the Call Attempt Elapsed Time is requested in the Call Information Report.
Call Attempt Elapsed Time is the duration between the end of the CAMEL processing initiating call setup (Connect, Continue or Continue With Argument IF) and the received answer indication from the called party side.
For the Calling Party, the value of Call Attempt Elapsed Time in the Call Information Report shall be set to 0.

Call Stop Time

O

This IE indicates that the Call Stop Time is requested in the Call Information Report.
Call Stop Time is the time stamp when the connection is released.

Call Connected Elapsed Time

O

This IE indicates that the Call Connected Elapsed Time is requested in the Call Information Report.
Call Connected Elapsed Time is the duration between the received answer indication from the called party side and the release of the connection.
For a Calling Party, it indicates the duration between the sending of IDP and the release of that party

Release Cause

O

This IE indicates that the Release Cause is requested in the Call Information Report.
Release Cause is the release cause for the call.

All Requests

M

This IE indicates that all active requests for EventReportBCSM, ApplyChargingReport and CallInformationReport shall be cancelled.

Calling Party Category

O

This IE indicates the type of calling party (e.g., operator, pay phone, ordinary subscriber).

Destination Routing Address

E1

This IE contains the called party number towards which the call is to be routed using an ISDN value.

Destination Routing Address URL

E1

This IE contains the called party number towards which the call is to be routed using a SIP URL.

Original Called Party ID

O,E2

This contains the original destination number if the call has been forwarded on route to the IM‑SSF or is forwarded by the gsmSCF.

This IE shall use an ISDN value to identify the original destination number.

Original Called Party URL

O,E2

This contains the original destination number if the call has been forwarded on route to the IM‑SSF or is forwarded by the gsmSCF.

This IE shall use a SIP URL to identify the original destination number.

Redirecting Party ID

O,E3

This IE indicates the directory number the call was redirected from. This IE shall use an ISDN value to identify the redirecting party.

Redirecting Party URL

O,E3

This IE indicates the directory number the call was redirected from. This IE shall use a SIP URL to identify the redirecting party.

Calling Party Category

O

This IE indicates the type of calling party (e.g., operator, pay phone, ordinary subscriber).

FCI Billing Charging Characteristics

M

This IE is described in the next table.

FCIBCCCAMEL Sequence 1

M

This IE is described in the next table.

Free Format Data

M

This IE is a free format data to be inserted in the CAMEL logical call record.

Party To Charge

M

This IE indicates the party for whom a CAMEL logical call record will be created.

Append Free Format Data

O

This IE indicates that the IM‑SSF shall append the free format data to the Logical call record.

– If this IE is present and indicates "Append", the IM‑SSF shall append the free format data received in this IF to the free format data already present in the Logical call record for that leg of the call.

– If this IE is absent or in value "Overwrite", then the IM‑SSF shall overwrite all free format data already present in the Logical call record for that leg of the call, by the free format data received in this IF.

If no Logical call record exists yet for that leg of the call, then the IM‑SSF shall ignore this IE.

Release Cause

M

A number giving an indication to the IM‑SSF about the reason of releasing this specific call. This may be used by MSC/GMSC for generating specific tones to the different parties in the call or to fill in the "cause" in the release message.

BCSM Event

M

This IE specifies the event or events of which a report is requested.

Event type

M

This IE specifies the type of event of which a report is requested.

Leg ID

C

This IE indicates the party in the call for which the event shall be reported.

Monitor Mode

M

When this IE is "interrupted", the event shall be reported as a request, if it is "notifyAndContinue", the event shall be reported as a notification, if the IE is "transparent", the event shall not be reported.

DP Specific Criteria

O

This IE is described in the next table.

Application Timer

O

This IE carries additional timer duration information (timer values for No Answer event) required for arming No_Answer EDPs in the IM‑SSF. The TNRy timer (value defined between 10 s and 40 s) shall be shorter than the network no answer timer.

NOTE If a Request Report BCSM Event information flow overwrites previous Request Report BCSM Event information flow which contained Application Timer IE for No_Answer DP, the behaviour of the IM‑SSF is unpredictable.

Timer Value

M

This IE specifies the value to which the indicated timer shall be set.

Timer ID

O

This IE indicates which timer shall be reset. It shall be set to "Tssf".

Invoke ID

M

This IE specifies the operation to be cancelled.

Information To Send

M

This IE indicates an announcement or a tone to be sent to the end user by the MRFC.

Disconnect From IP Forbidden

M

This IE indicates whether or not the MRFC may be disconnected from the user when all information has been sent.

Request Announcement Complete

M

This IE indicates whether or not a SpecializedResourceReport shall be sent to the gsmSCF when all information has been sent.

Inband Info

C

This IE indicates the inband information to be sent.

Tone

C

This IE indicates the tone to be sent. The mapping from the code points of this IE to tones is a matter for agreement between the gsmSCF operator and the MRFC operator.

Message ID

M

This IE is described in the next table.

Number Of Repetitions

M

This IE indicates the maximum number of times the message shall be sent to the end-user.

Duration

O

This IE indicates the maximum duration time in seconds that the message shall be played/repeated. Zero indicates endless repetition.

Interval

O

This IE indicates the time interval in seconds between two repetitions.

Elementary Message ID

C

This IE indicates a single announcement

Text

C

This IE indicates a text to be sent. The text shall be transformed to inband information (speech) by the MRFC.

Elementary Message IDs

C

This IE indicates a sequence of announcements

Variable Message

C

This IE indicates an announcement with one or more variable parts.

Tone ID

M

This IE indicates the tone to be sent.

Duration

O

This IE indicates the maximum duration time in seconds that the message shall be played/repeated. Zero indicates endless repetition.

Collected Info

M

This IE is described in the next table.

Information To Send

O

This IE indicates an announcement or a tone to be sent to the end user by the MRFC.

Disconnect From IP Forbidden

M

This IE indicates whether the MRFC may be disconnected from the user when all information has been sent.

Collected Digits

M

This IE is described in the next table.

Minimum Number Of Digits

M

This IE indicates the minimum number of valid digits to be collected.

Maximum Number Of Digits

M

This IE specifies the maximum number of valid digits to be collected

End Of Reply Digit

O

This IE indicates the digit(s) used to signal the end of input.

Cancel Digit

O

If this IE is present, the cancel digit can be entered by the user to request a possible retry

Start Digit

O

If this IE is present, the start digit(s) indicates the start of the valid digits to be collected.

First Digit Time Out

O

If this IE is present, the first digit shall be received before the expiration of the first digit timer expiration

Inter Digit Time Out

O

If this IE is present, any subsequent valid or invalid digit shall be received by the MRFC before the inter digit timer expires.

Error Treatment

O

This IE indicates what specific action shall be taken by the MRFC in the event of error conditions occurring.

Interruptable Ann Ind

O

If this IE is set to TRUE (default value) the announcement is interrupted after the first valid or invalid digit received by the MRFC. If this IE is present and explicitly set to FALSE, the announcement will not be interrupted after the first digit is received by the MRFC

Voice Information

O

This IE is optional, where the default value is specified being FALSE. If the VoiceInformation IE is set to FALSE, all valid or invalid digits are entered by DTMF If this IE is present and explicitly set to TRUE, calling user is required to provide all valid or invalid information by speech

Voice Back

O

This IE is optional, where the default value is specified being FALSE. If the VoiceBack IE is set to FALSE, no voice back information is given by the MRFC If this IE is present and explicitly set to TRUE, the valid input digits received by the MRFC will be announced back to the calling user immediately after the end of input is received

Digits Response

C

This IE indicates the digit sequence received from the end user

gsmSCF Address

M

This IE shall indicate the address of the interrogating IM‑SSF. The address shall be in international E.164 format.

Requested Info

M

This IE indicates the type of subscriber information being requested.
This shall consist of the CAMEL Subscription Information; the CAMEL Subscription Information is described in a table below.

Subscriber Identity

M

This IE identifies the subscriber for which the information is requested. The identity shall be an IMSI.

Additional Requested CAMEL Subscription Info

M

This IE shall contain one of the following: O‑IM‑CSI/VT‑IM‑CSI/D‑IM‑CSI

CAMEL Subscription Information

C

This IE shall be present if the subscriber is provisioned with a CAMEL Subscription Information for IM CN. This IE is described in a table below.

O‑IM‑CSI

C

See clause 4.4.1.1

D‑IM‑CSI

C

See clause 4.4.1.2

VT‑IM‑CSI

C

See clause 4.4.1.3

IMSI

M

The IMSI is used to identify the subscriber.

MSISDN

C

This shall consist of the subscriber’s MSISDN if available. If no MSISDN is available, the parameter shall be set with a dummy MSISDN value.

CAMEL Subscription Information

M

The CAMEL Subscription Information IE is used to indicate the modified or deleted CAMEL Subscription Information data. This IE is described in a table below.

O‑IM‑CSI

S

See clause 4.4.1.1. It shall be present if it was modified.

D‑IM‑CSI

S

See clause 4.4.1.2. It shall be present if it was modified.

VT‑IM‑CSI

S

See clause 4.4.1.3. It shall be present if it was modified.

Specific CSI Deleted List

S

This IE indicates that one or more specific elements of IMS CAMEL Subscription Information have been deleted from the HSS. It shall indicate any of the following;

– O‑IM‑CSI (with TDP criteria for O‑IM‑CSI);

– D‑IM‑CSI;

– VT‑IM‑CSI with TDP criteria for VT‑IM‑CSI;

This IE shall be present if IM CSI is/are deleted.