The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 26, 2006
Filed:
Feb. 28, 2003
Applicants:
Jose Costa-requena, Helsinki, FI;
Jarmo Kuusinen, Tampere, FI;
Inmaculada Espigares, Helsinki, FI;
Inventors:
Assignee:
Nokia Corporation, Espoo, FI;
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/16 (2006.01); H04M 3/42 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method and corresponding equipment for setting up a conference call via a communication network that uses session initiation protocol (SIP) signalling for call setup, the method including steps (EEEE) of providing during the call setup signalling to a subscriber invited to participate in the conference call an indication that the call is a conference call and including in the call setup signalling a reference to a group document indicating information about the conference call, such as the other invited participants, or including the group document itself.