Nokia Corporation

Nokia Technologies Oy

Mikko Aittola

Kalle Tammi

Anu Leinonen

Minna Myllymaki

Anu H Leinonen

A method assists the registration of subscription characteristics in a communications system, wherein a private user identity characteristic can be paired with a public user identity characteristic and more than one private user identity may be associated with a subscription. The method includes transmitting, from a subscription information store entity of the system to a service provision entity of the system, a first message containing data specifying characteristics of a pairing of a first private user identity and a public user identity. The message also includes an indication of any further private user identities other than the first private user identity that are associated with the same subscription as the first private user identity.

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Vammala, Finland

Mikko Aittola