Telefonaktiebolaget Lm Ericsson (publ)

Alcatel Lucent

Patrick Legrand

Johann Daigremont

Olivier Durecu

Christine Viger

Jean-Philippe Guillemant

Philippe Goldstein

Oliver Guyot

Maxime Ducros

SIP type signal protocol for a mobile communication network (N), comprising an invitation signal message (MI) 'INVITE', intended to set-up a 'Push to Talk' type communication session between a calling communication client (A) and one or several called communication clients (B, C), and containing the logical address of the calling communication client and an address of the called communication client(s). The signal protocol is innovative in that the invitation signal message (MI) also contains a visiting card associated with a user of the calling communication client (A).

Enhancement of signalling in a 'Push to Talk' type communication session by insertion of a visiting card

The present invention relates to a mobile telecommunication terminal () comprising display means (), loudspeaker and microphone means and means for communication with other mobile or non-mobile communication terminals over a first connection supporting communication of speech. Said mobile telecommunication terminal () further supports transmission to, and representation of, proprietary customized visual/graphical data information, e.g. avatars, on other communication terminals (), as well as representation on the display means () of such customized visual/graphical information from said other communication terminal(s) (). The proprietary customized visual/graphical data information can be altered, the telecommunication unit () comprising control means for altering the proprietary customized visual/graphical information, and the proprietary customized visual/graphical information can be altered or updated during an ongoing speech connection with one more of said other communication terminals over said first connection. The invention also related to a system and a method supporting such a functionality.

Method for changing graphical data like avatars by mobile telecommunication terminals

Growing community of inventors

Epinay-sur-Orge, France

Patrick Legrand