Automatic call retry

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CPC
H04Q2213/152

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HELECTRICITY H04Electric communication H04QSELECTING H04Q2213/00Indexing scheme relating to selecting arrangements in general and for multiplex systems

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H04Q2213/152Automatic call retry

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Patents Grantslast 30 patents

Information Patent Grant
Network exception systems and methods for packet-switched telephony
- Patent number 12,101,433
- Issue date Sep 24, 2024
- Starlogik IP LLC
- Ari Kahn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Automatic call back under control of a telephone terminal
- Patent number 6,009,157
- Issue date Dec 28, 1999
- Lucent Technologies Inc.
- Bruce Merrill Bales
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
ISDN system which processes disconnect message after call termination
- Patent number 5,566,182
- Issue date Oct 15, 1996
- U.S. Philips Corporation
- Lothar Gantner
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Enhanced call-back authentication method and apparatus for remotely...
- Patent number 5,280,581
- Issue date Jan 18, 1994
- Hughes Aircraft Company
- Erwin W. Bathrick
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents