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:
Jun. 28, 2011
Filed:
Nov. 11, 2004
Koichi Shimamura, Tokyo, JP;
Jota Nakatsuma, Tokyo, JP;
Seiichi Kawakami, Tokyo, JP;
Takenori Sekiya, Tokyo, JP;
Koichi Shimamura, Tokyo, JP;
Jota Nakatsuma, Tokyo, JP;
Seiichi Kawakami, Tokyo, JP;
Takenori Sekiya, Tokyo, JP;
Vodafone Group PLC, Berkshire, GB;
Abstract
Synchronization of presence information is established between different presence services. Presence information of each user is stored on the presence serverof the presence display system comprising mobile phones. Presence information of the SIP phone system comprising the SIP phoneand the SIPG/W (enterprise side)is stored in the SIPG/W (enterprise side)When presence information of the presence serverhas changed, the presence servernotifies the SIPG/W (enterprise side)of the change in presence information via the SIPG/W (mobile communication network side)Conversely, when presence information of the SIP phone system has changed, the SIPG/W (enterprise side)notifies the presence serverof the change in presence via the SIPG/W (mobile communication network side)