8 Security

22.2433GPPRelease 17Speech recognition framework for automated voice servicesStage 1TS

The "Security Threats and Requirements" specified in 21.133 [1] shall not be compromised.

It shall be possible to deny unauthorized access to 3GPP SRF-based automated voice services. An authorization may be based on the following,

• identity of the accessing user agent, server or device
• the destination user, device or user agent

Third parties shall have authorization from the User and PLMN Operators in order to access 3GPP SRF-based automated voice services.

It shall be possible to reconstitute PCM samples from DSR packets so that the user’s spoken command can be transcribed at a later time, if required.