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Inventor: Kang; Sook-Yang
Address: Daejeon, KR
No. of patents: 3
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 7570756 |
Method for supporting session mobility |
August 4, 2009 |
| A method for supporting session mobility, more particularly, a method for supporting session mobility that can move various sessions between two or more devices by using session initiation protocol (SIP). Various sessions can be simultaneously moved by utilizing a SIP PUBLISH message. |
| 7555555 |
SIP-based multimedia communication system capable of providing mobility using lifelong number an |
June 30, 2009 |
| The SIP-based multimedia communication system for providing mobility using lifelong numbers provides mobility through SIP network service domains and a global domain. The SIP network service domain comprises a user agent and an SIP network server. The user agent transmits request/res |
| 5896571 |
Switch control method for dual tone multi-frequency service of MSC |
April 20, 1999 |
| A switch control method for DTMF service in a mobile switching center, is disclosed including the steps of (a) calling an ARS service system in a mobile station receiving, by a switch controller of an mobile exchange, a switch connection request for DTMF service input through a call cont |
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