Projet 2a

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

Clause Selection of ETSI options for Additional requirements

ETSI TS Switzerland

101 671

V3.12.1

that the transferred call must not be

intercepted.

A.6.16.1. Call Diversion by target, CC links

1 For CFNR, UDUB, CD and partial

rerouting, option 2 (with CONTINUE-

Record) must be implemented.

A.6.22 User-to-User Signalling (UUS)

UUS service data will be delivered as See point A.4.2 in this Table. IRI data.

A.8.3 HI3 (delivery of CC)

SMS service data will be delivered as See point A.4.2 in this Table. IRI data.

For relating CC to the other H-

Interfaces, Subaddress Service

described in ETSI TS 101 671 Annex

E must be used.

The provider must remove encryption

algorithm applied by the CSP

internally in the network at the

handover interface.

Annex C: HI2 Delivery mechanisms and procedures

C.1 / C.2 ROSE / FTP

FTP must be used for transferring IRI See point 8.1 in this Table.

data over HI2-Interface; ROSE is not

allowed.

C.2.2 Usage of FTP

For conveying IRI data

transmission must be triggered

neither by timeout nor by volume.

File naming method B must be used.

Additionally, section 6.3.8 applies as

well.

Annex D: Structure of data at the Handover Interface

D.4 HI1-Operations ::= CHOICE

{

liActivated Depending on the version of the ^{[1]Notification,} HI1NotificactionOperations liDeactivated

[2] Notification, record used, if the domainID parameter ^liModified exists in the Notification sequence, [3] Notification,

alarms-indicator the OBJECT IDENTIFIER must be [4] Alarm-Indicator, provided.

...,

National-HI1-ASN1parameters

[5] National-HI1-ASN1parameters

}

D.5 MapDatum ::= ENUMERATED

wGS84,

D.4 to D.9 ASN.1 modules

By using FTP for transferring IRI

data, the related ROSE operations do

not need to be implemented.