scope:

The present document contains a stage 1 like description of the interception information in relation to the process of sending and receiving E-mail. The present document also contains a stage 2 like description of when IRI and CC shall be sent, and what information it shall contain.

It is recognized that "Instant Messenger" and "Chat" applications are another way of exchanging electronic text messages. While the present document may be applicable to such applications it is in no way a goal of the present document to address these methods of electronic text messaging.

The definition of handover transport and encoding of HI2 and HI3 is outside the scope of the present document. Refer to TS 102 232 [3].

The present document is designed to be used where appropriate in conjunction with other deliverables that define the service specific IRI data formats. The present document aligns with TS 133 108 [5], ES 201 671 [4], TS 101 331 [1] and TR 101 944 [2].