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.

Date of Patent:
May. 19, 2009

Filed:

Aug. 16, 2005
Applicants:

Sung-jae Yoon, Gumi-si, KR;

Dong-han Kang, Daegu, KR;

Jae-gwan Shin, Daegu, KR;

Inventors:

Sung-Jae Yoon, Gumi-si, KR;

Dong-Han Kang, Daegu, KR;

Jae-Gwan Shin, Daegu, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04M 3/42 (2006.01); H04B 1/38 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method of providing a Push-To-Talk (PTT) service is provided. In a PTT service provided through a PTT server to a PTT portable terminal, the PTT portable terminal requests termination of its participation in a PTT group call during the PTT group call takes place among at least three members, requests recording of the PTT group call to the PTT server, and ends a PTT application program. When the PTT group call is terminated among the remaining members, the PTT portable terminal receives from the PTT server a notification message indicating that the PTT group call has been recorded and plays the recorded PTT group call.


Find Patent Forward Citations

Loading…