Invention Application
- Patent Title: SYSTEM AND METHOD FOR CONVEYING END-TO-END CALL STATUS
- Patent Title (中): 用于传送端到端呼叫状态的系统和方法
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Application No.: US11870850Application Date: 2007-10-11
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Publication No.: US20090097619A1Publication Date: 2009-04-16
- Inventor: JAMES JACKSON , MEHRAD YASREBI , PHILIP CUNETTO
- Applicant: JAMES JACKSON , MEHRAD YASREBI , PHILIP CUNETTO
- Applicant Address: US NV RENO
- Assignee: AT&T KNOWLEDGE VENTURES, LP
- Current Assignee: AT&T KNOWLEDGE VENTURES, LP
- Current Assignee Address: US NV RENO
- Main IPC: H04M1/64
- IPC: H04M1/64 ; H04M11/00

Abstract:
A system that incorporates teachings of the present disclosure may include, for example, a Unified Messaging System having a controller element to submit to a Calling Card Server (CCS) over a primary call leg a Session Initiation Protocol (SIP) SUBSCRIBE message requesting outdial event notification for a call placed on a secondary call leg responsive to a reply of a voicemail message, and receive over the primary call leg a SIP NOTIFY message from the CCS indicating outdial events associated with placing the call over the secondary call leg. Additional embodiments are disclosed.
Public/Granted literature
- US08774174B2 System and method for conveying end-to-end call status Public/Granted day:2014-07-08
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