Projet 2a

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

8.4.1.10 Network access: Network access translation information response elements and structure

This section covers the information response elements and fields of the Network access subscriber records according to ETSI TS 102 657 V1.17.1 Annex E.

Network access Service Usage Element or Description Example attribute

recordNumber Structure 0, 1, 2, ...

recordPayload structure

networkAccess Service = networkAccess

naServiceUsage Category = naServiceUsage

naServiceUsage structure

privateIPAddress Source IP address before the NAT

instance.

IPAddress CHOICE

iPTextAddress The private IP address of the host. 192.168.0.24

privatePort The source port before the NAT25871

instance.

publicIPAddress Source IP address after the NAT

instance.

IPAddress CHOICE

iPTextAddress The translated IP address of the 203.0.113.45

host, i.e. the address known by the

remote host in text format.

publicPort Source port after the NAT instance.

singlePort The translated port of the host.32658

Depending on the Network Address Translation instance configuration and capabilties, either the "privateIPAddress" and "privatePort" before the NAT instance or the "publicIPAddress" and "publicPort" after the NAT instance shall be reported.

8.4.2 Multimedia and telephony information requests and responses

The encoding and formats of the parameters for the network access information requests and responses relate to ETSI TS 102 657 V1.17.1 Annexes A and B and D.

8.4.2.1 Multimedia and telephony: subscription information request criteria elements and structure

This section covers the request criteria contained in the requestParameters 

RequestConstraints sequence sent in the XML request for the telephony and multimedia subscription information. It uses the "multmediaSubscriber" structure as telephony is considered as a subset of multimedia services.

Multimedia Subscriber Element or attribute Description Example

equals Request constraint