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Class Information
Number: 379/289
Name: Telephonic communications > Centralized switching system > Switching controlled in response to called station addressing signal > Having shared or common switching control > Translator
Description: Subject matter which changes an electrical signal appearing in one code representation of the same information.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6912278 |
Call management implemented using call routing engine |
Jun. 28, 2005 |
| 6718030 |
Virtual private network system and method using voice over internet protocol |
Apr. 6, 2004 |
| 6674852 |
Call management implemented using call routing engine |
Jan. 6, 2004 |
| 6381326 |
System for handling large blocks of special number calls in a telecommunications network |
Apr. 30, 2002 |
| 6359980 |
Method for administering advanced number portability numbers |
Mar. 19, 2002 |
| 6215866 |
System for handling large blocks of special number calls in a telecommunications network |
Apr. 10, 2001 |
| 5777995 |
Translator chip for a wideband network |
Jul. 7, 1998 |
| 5761291 |
Method of assigning telephone area codes |
Jun. 2, 1998 |
| 5757903 |
Flexible direct and shared termination call processing |
May. 26, 1998 |
| 5734698 |
Call selecting apparatus for preferentially connecting emergency message calls |
Mar. 31, 1998 |
| 5655014 |
Switching device independent computer-telephone integration system |
Aug. 5, 1997 |
| 5553130 |
Number translation services matrix |
Sep. 3, 1996 |
| 5533116 |
Network management system |
Jul. 2, 1996 |
| 5513258 |
Method and apparatus for processing call number information for a switching system |
Apr. 30, 1996 |
| 5479494 |
Virtual calling card system |
Dec. 26, 1995 |
| 5361298 |
Telecommunications service provision equipment transfer |
Nov. 1, 1994 |
| 5272749 |
Telephone dialing system for converting subscriber-created telephone numbers to directory numbers |
Dec. 21, 1993 |
| 5226075 |
Method of and apparatus for numbering and routing calls through a communication network |
Jul. 6, 1993 |
| 5086461 |
Apparatus and method for providing existing 1ESS and 1AESS telephone switching equipment with the capability of using the SS7 protocol |
Feb. 4, 1992 |
| 4853955 |
Apparatus and method for providing existing telephone switching equipment with the capability of using the SS7 protocol |
Aug. 1, 1989 |
| 4748661 |
Circuit for translating telephone numbers |
May. 31, 1988 |
| 4720854 |
Architecture for distributed control telecommunication systems |
Jan. 19, 1988 |
| 4686701 |
Processing sequence calls in a distributed control switching system |
Aug. 11, 1987 |
| 4683584 |
Directory number translation in a distributed control switching system |
Jul. 28, 1987 |
| 4415773 |
Methods of establishing a switching connection within a switching system |
Nov. 15, 1983 |
| 4363936 |
Telephone network including common equipment with message information and control information circuits for connecting to stations having multifunction telephones |
Dec. 14, 1982 |
| 4259549 |
Dialed number to function translator for telecommunications switching system control complex |
Mar. 31, 1981 |
| 4256926 |
Microprocessor control complex for a telecommunication switching system |
Mar. 17, 1981 |
| 4224477 |
Arrangement for translating telephone station equipment numbers into directory numbers |
Sep. 23, 1980 |
| 4186278 |
End-of-keying control circuit |
Jan. 29, 1980 |
| 4028501 |
Method and apparatus for translating multiple frequency signalling |
Jun. 7, 1977 |
| 4017691 |
Number translator |
Apr. 12, 1977 |
| 3985973 |
Preference access circuit |
Oct. 12, 1976 |
| 3975595 |
Service code conversion |
Aug. 17, 1976 |
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