| Patent No. | Patent Title: |
| 5710808 | Telephone dialling code processor |
| 5680442 | Voice mail communication with call blocking |
| 5668861 | Telecommunications system with notification hold |
| 5666400 | Intelligent recognition |
| 5661782 | Voice mail communication with call blocking |
| 5661783 | Electronic secretary |
| 5649003 | Method in a communications systems for providing an out-of-band ... |
| 5646987 | Dynamic reallocation of calls to agent groups |
| 5646986 | Network communication system with global event calendar informati... |
| 5638438 | System and method for automatically creating new pages in a touch... |
| 5636268 | Communication system with queues |
| 5633921 | Providing special services to a caller configured as a virtual ca... |
| 5631948 | Voice mail communication with call blocking |
| 5615255 | Method and apparatus for measuring loads in a common channel sign... |
| 5608795 | Telephone line interface circuit |
| 5604790 | Voice processing call announcement and answering system |
| 5596633 | Charger/detector for cordless telephones |
| 5596632 | Message-based interface for phone fraud system |
| 5594792 | Methods and apparatus for modeling and emulating devices in a net... |
| 5592544 | DTMF signal judging apparatus |
| 5588045 | Voice/data transfer method and apparatus utilizing an alternate l... |
| 5588052 | DTMF signal judging apparatus |
| 5586171 | Selection of a voice recognition data base responsive to video da... |
| 5583928 | Detecting local exchange failure and resultant control of a ... |
| 5581600 | Service platform |
| 5577104 | Method for system and message activation based on distinctive rin... |
| 5570420 | Customer premise equipment network integrator |
| 5566235 | Customer controlled service mediation management |
| 5561711 | Predictive calling scheduling system and method |
| 5544236 | Access to unsubscribed features |
| 5541981 | Automated announcement system |
| 5533107 | Method for routing calls based on predetermined assignments of ca... |
| 5530738 | Electric power measuring instrument with speech synthesis feature |
| 5528686 | Transformerless hybrid circuit having direct powered line-side am... |
| 5528685 | Transformerless hybrid circuit |
| 5515428 | Multiple queue resource management |
| 5509060 | Network-accessible intelligent telephone service |
| 5491743 | Virtual conference system and terminal apparatus therefor |
| 5438616 | Method and apparatus for storing telephone numbers and for automa... |
| 5432847 | Low frequency telecommunication digital network interface patch p... |
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