Vorlage 3a

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

6.5.8 Proprietary handover interface for the delivery of the last active location

The provisions of article 69a in the ordinance VÜPF do not have any suitable standardised ETSI handover interfaces. Therefore, PTSS has temporarily specified a proprietary interface with the following methods and steps:

Step Description Handover interface

1 PTSS contacts the CSP by telephone and provides Telephone

the known information of the target.

2 CSP performs the lookup in its information systems Telephone

in order to retrieve the requested information and

provide this information to the PTSS by telephone.

3 CSP confirms to the PTSS by secure email the set Secure email

of information and parameters in a table put in the

body of the secure email. The information and

parameters of the table are specified in the layout

below.

Table 6-18: Steps for the delivery of the last active location

Parameters names Comments Examples Zielidentität / Identité de la cible

MSISDN Mandatory 41774XXXXXX IMSI Conditional 22899YYYYYYYYYY IMEI Conditional 354449ZZZZZZZZ

Netzzugang / Accès réseau

RADIO ACCESS Technology (GSM or UMTS UMTS900 TECHNOLOGY / or LTE) and Freqency band LTE1800 FREQUENCY in MHz MOBILE COUNTRY CODE Decimal presentation228

MOBILE NETWORK CODE Decimal presentation99

Letzter Zell Standort / Dernière localisation de cellule DATE TIME Date and Local time as 11.09.2016 15:39:05 DD.MM.YYYY HH:MM:SS LAC (DECIMAL) Conditional: GERAN &22300

UTRAN / format: without MCC/MNC and no leading zeros CI (DECIMAL) Conditional:GERAN &60773

UTRAN / format: without MCC/MNC and no leading zeros TAC (DECIMAL) Conditional: E-UTRAN /4343

format: without MCC/MNC

and no leading zeros

ENB+CI (DECIMAL) Conditional: E-UTRAN / 17787394

format: without MCC/MNC

and no leading zeros

CELL AZIMUTH Conditional: Multiple inh, 60

azimuths and attributes (tun,

inh) if necessary for complex

cells

CELL CIVIC ADDRESS Civic address in one field Rue du Caudray 6 1020

Renens