Mobile Phone Terminal and Server

• US 20090215463A1
• Filed: 04/26/2007
• Published: 08/27/2009
• Est. Priority Date: 04/27/2006
• Status: Active Grant

• Current Assignee: Kyocera Corporation
• Original Assignee: Kyocera Corporation
• Inventors: Satake, Masaomi
• Granted Patent: US 8,774,786 B2
• Time in Patent Office: Days
• US Class Current: 455/445
• CPC Class Codes: H04L 65/1104 Session initiation protocol [SIP]
• CPC Class Codes: H04L 65/4061 Push-to services, e.g. push-to-talk or push-to-video
• CPC Class Codes: H04M 2203/2044 Group features, e.g. closed user group
• CPC Class Codes: H04M 3/42059 Making use of the calling party identifier
• CPC Class Codes: H04M 3/42365 Presence services providing information on the willingness to communicate or the ability to communicate in terms of media capability or network connectivity
• CPC Class Codes: H04M 3/56 Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities video conference systems H04N7/15
• CPC Class Codes: H04M 3/563 User guidance or feature selection
• CPC Class Codes: H04W 4/08 User group management
• CPC Class Codes: H04W 76/10 Connection setup
• CPC Class Codes: H04W 8/186 Processing of subscriber group data

Abstract

A server according to the present invention includes: an SIP information receiver 201 configured to receive new calling information that requests start of a group call; a group call processor 202 and a group call management DB 203 configured to manage halfway participation in which a mobile phone terminal not participating in the group call participates in the group call, and halfway withdrawal in which a mobile phone terminal participating in the group call withdraws from the group call; and an SMS transmission requesting unit 204 configured to transmit a participating terminal change notification to a mobile phone terminal that is specified as a calling destination of the group call and has not participated in the group call when halfway participation or halfway withdrawal is detected, the participating terminal change notification including information indicating that the halfway participation or the halfway withdrawal has occurred, and terminal identification information that identifies a mobile phone terminal that participates halfway or withdraws halfway.

Claims

1. A server that manages a group call in which a phone call among a plurality of mobile phone terminals is performed, the a server comprising:

a new calling information receiver configured to receive new calling information that requests start of the group call;

a management unit configured to manage halfway participation indicating that a mobile phone terminal not participating in the group call participates in the group call, and halfway withdrawal indicating that a mobile phone terminal participating in the group call withdraws from the group call; and

a transmitter configured to transmit a participating terminal change notification to a mobile phone terminal that is specified as a calling destination of the group call and has not participated in the group call, when the management unit detects the halfway participation or the halfway withdrawal, the participating terminal change notification including;

information indicating that the halfway participation or the halfway withdrawal has occurred; and

terminal identification information identifying a mobile phone terminal that participates halfway or withdraws halfway.

2. A mobile phone terminal connectable with a group call system that performs a group call in which a phone call among a plurality of mobile phone terminals is performed, the mobile phone terminal comprising:

a receiver configured to receive new received call information that includes group identification information identifying the group call and that requests participation to the group call;

a storage unit configured to store as a received call history the group call corresponding to the new received call information received by the receiver, while associating the group call with the group identification information included in the new received call information and terminal identification information identifying a mobile phone terminal specified as a calling destination of the group call; and

a received call history updating unit configured to update the terminal identification information stored as the received call history on the basis of a participating terminal change notification when receiving the participating terminal change notification, the participating terminal change notification including;

information indicating that halfway participation or halfway withdrawal has occurred, the halfway participation indicating that a mobile phone terminal not participating in the group call participates in the group call, the halfway withdrawal indicating that a mobile phone terminal participating in the group call withdraws from the group call;

terminal identification information identifying a mobile phone terminal that participates halfway or withdraws halfway; and

the group identification information.