Vorlage 3a

Technical requirements for the handover interfaces for the execution of telecommunications surveillance

imsInformation Table D.2.4.3

Description and requirements

This ImsInformation structure is used for service usage

information in case of IMS service

1) service Table D.2.4.3

Description and requirements ELEMENTS

Type of IMS service used by subscriber. The attribute session

"session" shall be used when the SIP method INVITE message

has been used to initiate a sesssion. The attribute refer

"message" when the SIP method MESSAGE has been

used for Instant Messaging. The attribute "refer" when

the SIP method REFER has been used, for intance for

a session transfer. If other SIP methods are used the

attribute shall be omitted.

2) roleOfNode Table D.2.4.3

Description and requirements ELEMENTS

Specification on the role of the Data Retention Source originating

in the reported communication. Only the attributes terminating

"originating" or "terminating" shall be used.

7.4.4 Network access service usage request and responses

The encoding and formats of the parameters for the network access service usage requests and responses relate to ETSI TS 102 657 V1.17.1 Annexes A and E.

7.4.4.1 Network access service usage request criteria elements and structure

This section covers the request criteria contained in the requestParameters 

RequestConstraints sequence sent in the XML request for the network access service usage.

Depending on the type of network access, fixed or mobile, the target identity is requested in two different ways:

Target identity for fixed network access Element or attribute Description Example

equals Request constraint

networkAccess Service = network access

naServiceUsage Category = network access service

usage

naAuthID Username used to obtain the fix [email protected] network access. 41593526987