Projet 2a

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

Clause Selection of ETSI options for Additional requirements or

ETSI TS Switzerland specifications

102 657

V1.17.1

5.1.7 Delivery of results

The multi-part delivery option must be

implemented and be used to allow for

an immediate data delivery.

5.2 Message flows for general situation

This is the only option used in A specific handover interface solution Switzerland for HI-A and HI-B for small and medium CSP is available implementations.

NOTE: This implies that the mutual

client/server arrangement

according to clause 7.2.3

shall be supported.

5.2.1 Delivery of a response

While “Cancellation of request” is used in Switzerland, it may happen that the CSP side receives a “cancelMessage” while delivering results.

This procedure shall not impact the CSP and PTSS shall accept to receive all the delivered data without leading to an alarm or error condition.

5.2.2 Cancellation of request

“Cancellation of request” can be used The using of the “cancellation of in Switzerland. request” shall not impact an ongoing delivery process by the CSP and shall not lead to an alarm or error condition. PTSS shall accept all data delivered by the CSP even after a “cancelMessage”. PTSS shall deal accordingly with the delivered data.

5.2.3 Multi-part delivery

The choice of the option “sequential

delivery” vs. “parallel delivery” is a

CSP decision.

5.3 Message flows for Authorized-

Organization-initiated scenario

The scenario Authorized-

Organization-initiated is not allowed

at the Authorised Organisation side.

As a consequence CSPs do not need

to support this mode of message

flow.

NOTE: This implies that the single

client/server arrangement

according to clause 7.2.2 is

not used.