PART 1FIXED NETWORK TELEPHONY
Data necessary to trace and identify the source of a communication
1.—(1) The calling telephone number.
(2) The name and address of the subscriber or registered user of any such telephone.
Data necessary to identify the destination of a communication
2.—(1) The telephone number dialled and, in cases involving supplementary services such as call forwarding or call transfer, any telephone number to which the call is forwarded or transferred.
(2) The name and address of the subscriber or registered user of any such telephone.
Data necessary to identify the date, time and duration of a communication
3. The date and time of the start and end of the call.
Data necessary to identify the type of communication
4. The telephone service used.