"The Americans have need of the telephone, but we do not. We have plenty of messenger boys."
Sir William Preece, chief engineer, British Post Office ; 1878
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| Number | Title | Issue Date |
| 7826440 | Quality of service in a remote telephone An information handling system comprises a TCP/IP network connected via a modem to an IP telephony device that is then coupled to a network device. Data sent from the network device is addressed for transmission through the IP telephony device to the TCP/IP network.... | 11/02/2010 |
| 7564834 | Shared knowledge in a telephone system An information handling system comprises a IP network connecting a hub to a multimedia server and the hub to a data server, and the hub to an IP telephony device that is then coupled to a network device. When a telephone in one local area network within a wide area ... | 07/21/2009 |
| 7421066 | Telephone call/voice processing system A telephone and voice mail (voice processing) system is implemented using only a single processing means for controlling operations of both the telephone system and the voice mail system. The single processing means communicates with a hard disk, which stores progra... | 09/02/2008 |
| RE39722 | Telephone call/voice processing system A telephone and voice mail (voice processing) system is implemented using only a single processing means for controlling operations of both the telephone system and the voice mail system. The single processing means communicates with a hard disk, which stores progra... | 07/10/2007 |
| 7221741 | Dialing using caller ID A telephone and voice mail (voice processing) system, which is implemented using only a single processing means for controlling operation of both the telephone system and the voice mail system, permits a user to call back a party using caller ID data stored with a v... | 05/22/2007 |
| 7123699 | Voice mail in a voice over IP telephone system In a voice over IP system, an IP telephone includes an LED lamp that indicates a voice message has been stored in a remote voice mail system. The IP telephone can then access that voice message. The message can also be moved from one remote site to another. ... | 10/17/2006 |
| 7068684 | Quality of service in a voice over IP telephone system An information handling system comprises a TCP/IP network connecting a hub to a multimedia server and the hub to a data server, and the hub to an IP telephony device that is then coupled to a network device. Data sent from the network device is addressed for transmi... | 06/27/2006 |
| 6940962 | Dial on-hold A telephone and voice mail (voice processing) system, which is implemented using only a single processing means for controlling operations of both the telephone system and the voice mail system, permits a caller, which has been placed on-hold, to request and be conn... | 09/06/2005 |
| 6925167 | Service observing in a voice over IP telephone system An information handling system comprises a TCP/IP network connecting a hub to a multimedia server and the hub to a data server, and the hub to an IP telephony device that is then coupled to a network device. Data sent from the network device is addressed for transmi... | 08/02/2005 |
| 6842505 | Communications system enhanced with human presence sensing capabilities A communications system, which has a plurality of terminals connected thereto, has one or more object presence detecting devices associated with the individual terminals. The detecting devices detect whether or not an object, such as a person, has been detected near... | 01/11/2005 |
| 6252944 | Telephone call/voice processing system A telephone and voice mail (voice processing) system is implemented using only a single processing means for controlling operations of both the telephone system and the voice mail system. The single processing means communicates with a hard disk, which st... | 06/26/2001 |