Patent Id | Score | Title | Patent Type | Publication Date | Priority Date | Search Efficiency | Original Assignee | Current Assignee |
|---|---|---|---|---|---|---|---|---|
| US6724872B1 | ●●●●● | Personalized messages over Internet call waiting | GRANT | 2004-04-20 | 2001-12-17 | Great | BellSouth Intellectual Property Corp | AT&T Intellectual Property I LP |
| US7535999B2 | ●●●●● | Voice mail bridging in communication systems | GRANT | 2009-05-19 | 2005-05-18 | Great | Alcatel Lucent USA Inc | WSOU Investments LLC |
| EP1677506A1 | ●●●●● | System and method for conference calling with voip terminal | GRANT | 2006-07-05 | 2004-12-30 | Great | Lucent Technologies Inc | Alcatel Lucent SAS, Nokia of America Corp |
| US6031905A | ●●●●● | Network-based call hold stand by | GRANT | 2000-02-29 | 1997-09-17 | Great | AT&T Corp | AT&T Corp |
| US6775365B1 | ●●●●● | Directed call return service | GRANT | 2004-08-10 | 2000-08-28 | Great | Qwest Communications International Inc | Qwest Communications International Inc |
| EP1392027A1 | ●●●●● | INTERNET COMMUNICATION SYSTEM | GRANT | 2004-02-25 | 2001-05-25 | Great | Mitsubishi Electric Corp | Mitsubishi Electric Corp, IP Talk Corp |
| US7123707B1 | ●●●●● | Methods of controlling communications with at least two calling party devices by a user of a called party device | GRANT | 2006-10-17 | 2000-08-22 | Great | Ericsson Inc | Ericsson Inc |
| US6661886B1 | ●●●●● | Method and system for real-time monitoring of voice mail during active call | GRANT | 2003-12-09 | 2000-10-31 | Great | Cisco Technology Inc | Cisco Technology Inc |
| EP1943825A1 | ●●●●● | SYSTEM AND METHOD FOR MANAGING THE ADDITION OF A CALL WAITING PARTY TO AN EXISTING SUBSCRIBER CALL CONNECTION | GRANT | 2008-07-16 | 2005-11-04 | Great | Lucent Technologies Inc | Alcatel Lucent SAS, Nokia of America Corp |
| US5832060A | ●●●●● | System and associated method for concatenated messaging | GRANT | 1998-11-03 | 1996-06-14 | Great | US West Inc, MediaOne Group Inc | Qwest Communications International Inc |
| US6304636B1 | ●●●●● | Forwarding voice messages to a called party using electronic mail | GRANT | 2001-10-16 | 1997-12-23 | Great | AT&T Corp | AT&T Corp |
| EP1906665A1 | ●●●●● | METHOD FOR PROCESSING VIDEO TELEPHONE CALL IN MOBILE COMMUNICATION NETWORK | GRANT | 2008-04-02 | 2005-06-10 | Great | China Mobile Communications Group Co Ltd | China Mobile Communications Group Co Ltd |
| EP0688126A2 | ●●●●● | A voice messaging system | GRANT | 1995-12-20 | 1994-06-14 | Great | GPT Ltd, Plessey Telecommunications Ltd | Marconi Communications Ltd |
| US20020076027A1 | ●●●●● | Fallback to message compose on synchronous call attempt | APPLICATION | 2002-06-20 | 2000-12-20 | Great | Nortel Networks Ltd | Nortel Networks Ltd |
| US7881442B2 | ●●●●● | Call announcement service | GRANT | 2011-02-01 | 2000-03-08 | Great | LSSi Data Corp | LSSi Data Corp |
| ●●●●● | ●●●●● | ●●●●● | ●●●●● | ●●●●● | ●●●●● | Great | ●●●●● | ●●●●● |
| ●●●●● | ●●●●● | ●●●●● | ●●●●● | ●●●●● | ●●●●● | Great | ●●●●● | ●●●●● |
| ●●●●● | ●●●●● | ●●●●● | ●●●●● | ●●●●● | ●●●●● | Great | ●●●●● | ●●●●● |

