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:
Aug. 25, 2015

Filed:

Aug. 19, 2013
Applicant:

Samsung Electronics Co., Ltd., Gyeonggi-do, KR;

Inventors:

Seung-Yong Lee, Seoul, KR;

Kyung-Tak Lee, Gyeonggi-do, KR;

Sung-Jin Park, Gyeonggi-do, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/58 (2006.01); H04L 29/06 (2006.01); H04N 21/2381 (2011.01);
U.S. Cl.
CPC ...
H04L 51/36 (2013.01); H04L 29/06027 (2013.01); H04L 29/06088 (2013.01); H04L 29/06176 (2013.01); H04L 65/1089 (2013.01); H04N 21/2381 (2013.01);
Abstract

A session control apparatus and method are provided in a converged IP messaging (CPM) server for supporting a CPM session between a first client subscribing to a CPM service and a second client not subscribing to the CPM service. After the CPM session is initiated between the first and second clients through the CPM server and an interworking function (IWF), a session modification request message including specific media is received from the first client. The session modification request message including the specific media is sent to the IWF through the initiated CPM session. A response message is received from the IWF. The response message including a reason for rejection when the specific media is unsupported by the IWF.


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