Push to talk system
First Claim
1. A PTT (push to talk) system that includes a plurality of PTT-capable mobile phones each including a display unit, and a server which mediates a PTT call between mobile phones out of the plurality of mobile phones, the server comprising:
- a storage unit operable to store images of users of the plurality of mobile phones and phone identifiers of the plurality of mobile phones in correspondence with each other;
a retrieval unit operable to retrieve, from the storage unit, an image corresponding to a phone identifier of a mobile phone involved in the PTT call; and
a sending unit operable to send the retrieved image to at least one other mobile phone involved in the PTT call, wherein a display unit in the at least one other mobile phone displays the image sent from the server.
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Accused Products
Abstract
To provide a PTT system that includes a plurality of PTT-capable mobile phones each including a display unit, and a server which mediates a PTT call between mobile phones out of the plurality of mobile phones. The server includes a storage unit, a retrieval unit, and a sending unit. The storage unit stores images of users of the plurality of mobile phones and phone identifiers of the plurality of mobile phones in correspondence with each other. The retrieval unit retrieves, from the storage unit, an image corresponding to a phone identifier of a mobile phone involved in the PTT call. The sending unit sends the retrieved image to at least one other mobile phone involved in the PTT call. A display unit in the at least one other mobile phone displays the image sent from the server.
46 Citations
10 Claims
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1. A PTT (push to talk) system that includes a plurality of PTT-capable mobile phones each including a display unit, and a server which mediates a PTT call between mobile phones out of the plurality of mobile phones,
the server comprising: -
a storage unit operable to store images of users of the plurality of mobile phones and phone identifiers of the plurality of mobile phones in correspondence with each other;
a retrieval unit operable to retrieve, from the storage unit, an image corresponding to a phone identifier of a mobile phone involved in the PTT call; and
a sending unit operable to send the retrieved image to at least one other mobile phone involved in the PTT call, wherein a display unit in the at least one other mobile phone displays the image sent from the server. - View Dependent Claims (2, 3, 4, 5)
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6. A PTT-capable mobile phone comprising
a display-unit operable to display an image of a user of at least one other PTT-capable mobile phone involved in a PTT call with the mobile phone.
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10. A server for mediating a PTT call between mobile phones out of a plurality of PTT-capable mobile phones, comprising:
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a storage unit operable to store images of users of the plurality of mobile phones and phone identifiers of the plurality of mobile phones in correspondence with each other;
a retrieval unit operable to retrieve, from the storage unit, an image corresponding to a phone identifier of a mobile phone involved in the PTT call; and
a sending unit operable to send the retrieved image to at least one other mobile phone involved in the PTT call.
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Specification