Owner Nokia Corporation

Inventors Paavonen, Tapio; Poikselka, Miikka

Agent Spruson & Ferguson

Pub. Number AU-B-2005253276

PCT Pub. Number WO2005/122470

Priority 11/028605 05.01.05 US; 0413106.6 11.06.04 GB

Filing date 17 May 2005

Wipo publication date 22 December 2005

Acceptance publication date 19 November 2009

H04L 12/18 (2006.01) Data switching networks - for broadcast or conference

H04L 12/56 (2006.01) Data switching networks - Packet switching systems

H04L 29/06 (2006.01) Arrangements, apparatus, circuits or systems, not covered by a single one of groups - characterised by a protocol

H04M 3/42 (2006.01) Automatic or semi-automatic exchanges - Systems providing special services or facilities to subscribers

H04W 12/02 (2009.01) Security arrangements, e.g. access security or fraud detection

H04M 1/57 (2006.01) Substation equipment, e.g. for use by subscribers - Arrangements for indicating or recording the number of the calling subscriber at the called subscriber's set

H04M 3/56 (2006.01) Automatic or semi-automatic exchanges - Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities

H04W 4/10 (2009.01) Services or facilities specially adapted for wireless communication networks