Vorlage 3a

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

Clause Selection of ETSI options for Swiss Additional requirements or specifications ETSI TS applications

102 232-1

V3.11.1

5.2.5 Sequence number

The sequence number must already In some cases this requirement cannot be set where the copy of the be met. In such cases, the sequence intercepted telecommunication was number must be set before or at the first generated (point of interception). delivery function. In any case, the sequence number must reproduce the precise counting method at the place of origin.

5.2.7 Payload direction

Must be indicated for CC data.

6.2.2 Error reporting

OperatorLeaMessage specified in Related NID must be mentioned in the ETSI TS 102 232-1 V3.11.1 Annex Transport Related Information (TRI) A.2 must be used. message.

6.2.3 Aggregation of payloads

Aggregation of payload shall not be

used.

6.2.5 Padding data

Padding of data shall not be used.

6.3.1 General

TCP/IP must be used.

6.3.2 Opening and closing of connections

The described handling of

unsuccessful connection

establishment must be implemented.

6.3.4 Keep-alives

Can optionally be implemented by the The use of this option must be agreed CSP. with PTSS.

6.4.2 TCP settings

The destination TCP port number at The port number applies in connection PTSS (LEMF) will be provided via with the use of the service specifications HI1. TS 102 232-2 V3.9.1, TS 102 232-3 V3.3.1, TS 102 232-5 V3.5.1 and TS 102 232-6 V3.3.1.

7.2 Security requirements

. Neither TLS, nor signatures, nor hash codes must be used.

7.3.2 Timeliness

The possible use of separate managed networks must be agreed with PTSS.

Table 6-12: ETSI TS 102 232-1 V3.11.1 Handover specification for IP delivery

The supported ASN.1 Object identifiers and versions are stated in section 6.6