[특허]System and method for unified messaging in inter/intranet telephony

System and method for unified messaging in inter/intranet telephony 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H04M-011/00
출원번호	US-0776319 (2007-07-11)
등록번호	US-8675832 (2014-03-18)
발명자 / 주소	Singh, Kundan Schulzrinne, Henning
출원인 / 주소	The Trustees of Columbia University in the City of New York
대리인 / 주소	Baker Botts L.L.P.
인용정보	피인용 횟수 : 0 인용 특허 : 59

초록 ▼

A network telephony system is provided which enables unified messaging services. The system generally includes at least one user agent operatively coupled to a data network and a signalling server operatively coupled to the data network. The user agents are telephony endpoints, such as standalone Internet telephony appliances or personal computers with appropriate telephony software. A messaging server is provided which is operatively coupled to the data network and is responsive to the signaling server. The system also includes a media server which is operatively coupled to the network and includes computer data storage media for storing message files. The media server is responsive to the messaging server and, on occurrence of a message condition, is directly accessible to a calling party to store a message file for subsequent retrieval by a called party.

대표청구항 ▼

1. A network telephony system providing unified messaging services comprising: at least one user agent operatively coupled to a data network;a messaging server operatively coupled to the data network;at least one media server operatively coupled to the network, the at least one media server including computer data storage media for storing message files, the at least one media server being responsive to the messaging server and, on occurrence of a message condition, being directly accessible to said at least one user agent to exchange a message file. 2. The network telephony system of claim 1, wherein the at least on user agent operates in accordance with the session initiation protocol. 3. The network telephony system of claim 1, wherein a first calling user agent directly initiates a call request with a second called user agent. 4. The network telephony system of claim 3, wherein the second called user agent redirects the call request to the messaging server in the event a message condition is detected. 5. The network telephony system of claim 4, wherein after a message condition is detected, an invite request is provided to the second called user agent to reclaim the call from the media server. 6. The network telephony system of claim 5, wherein after the call is reclaimed, the media server generates a bye request to drop the call. 7. The network telephony system of claim 1, wherein the media server provides a stored greeting message to a first calling user agent in the event a message condition is detected. 8. The network telephony system of claim 7, wherein the greeting message is presented in a real time streaming media protocol. 9. The network telephony system of claim 8, further comprising a message management system for accessing message files stored on the media server. 10. The network telephony system of claim 1, wherein in response to a first calling user agent storing a message on the media server, the media server provides a notification to a second called user agent that a message is available. 11. The network telephony system of claim 10, wherein the notification includes a network address for accessing the message. 12. The network telephony system of claim 10, wherein the notification is via electronic mail. 13. The network telephony system of claim 10, wherein the notification includes a copy of the message. 14. The network telephony system of claim 1, further comprising a signaling server operatively coupled to the data network that maintains a registration database of network addresses of user agents. 15. The network telephony system of claim 14, wherein the signaling server operates in accordance with the session initiation protocol. 16. The network telephony system of claim 14, wherein the registration database comprises one or more network addresses of a called user agent. 17. The network telephony system of claim 14, wherein the registration database comprises information for selectively routing calls based on a factor selected from the group consisting of the time of day, the status of a called user agent, or the identity of a calling user agent.

이 특허에 인용된 특허 (59)

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A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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System and method for unified messaging in inter/intranet telephony 원문보기

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System and method for unified messaging in inter/intranet telephony 원문보기

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