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:
Oct. 19, 2010

Filed:

Sep. 20, 2005
Applicants:

Young-ae Kim, Gyeonggi-Do, KR;

Kang-suk Huh, Gyeonggi-Do, KR;

Kyung-ae Yoon, Gyeonggi-Do, KR;

Sung-bum Choi, Seoul, KR;

Jong-sook Kim, Seoul, KR;

Kyu-sung Han, Seoul, KR;

Inventors:

Young-Ae Kim, Gyeonggi-Do, KR;

Kang-Suk Huh, Gyeonggi-Do, KR;

Kyung-Ae Yoon, Gyeonggi-Do, KR;

Sung-Bum Choi, Seoul, KR;

Jong-Sook Kim, Seoul, KR;

Kyu-Sung Han, Seoul, KR;

Assignee:

LG Electronics Inc., Seoul, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 12/28 (2006.01);
U.S. Cl.
CPC ...
Abstract

Session invitation method and system in a PTx communication system are disclosed. For session invitation, an inviting terminal adds first media information corresponding to session information in an invitation message and transmits it or transmits it through an RTP. Then, the first media information received by an invited terminal is checked and an invitee determines whether to accept the invitation before joining the session. When the invitation is rejected, the invited terminal adds second media information corresponding to a reason for rejection in a reject message and transmits it, or transmits it through the RTP.


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