| Patent No. | Patent Title: |
| 5644627 | Method and apparatus for processing a voice message intended for ... |
| 5594784 | Apparatus and method for transparent telephony utilizing speech-b... |
| 5586172 | Telephone exchange system |
| 5581607 | Customized, billing-controlled call bridging system |
| 5581606 | Dat storage back-up and modem apparatus |
| 5581612 | Private branch exchange system |
| 5581602 | Non-offensive termination of a call detection of an answering mac... |
| 5572578 | Exchange of information between interconnected voice mail systems |
| 5572576 | Telephone answering device linking displayed data with recorded a... |
| 5555289 | Telephone answering device with operating status confirmation mea... |
| 5555288 | Voice processing system with a configurable telephone line interf... |
| 5553131 | Providing the most cost-effective long-distance telephone service... |
| 5544229 | System for providing personalized telephone calling features |
| 5544228 | Method and apparatus for transmission of full frequency digital a... |
| 5544232 | Call distributor with automatic preannouncement system and method |
| 5544231 | Conversation recording/playback method in a key phone system |
| 5539808 | Method and system for enhanced processing of audio messages with ... |
| 5537465 | Integrated telephone and intercom system |
| 5535263 | Method for recording subscriber specific messages in an advanced ... |
| 5535262 | Electronic private exchange system having talking recording funct... |
| 5530950 | Audio data processing |
| 5530740 | System and method for integrating voice, facsimile and electronic... |
| 5530739 | Mail center management system |
| 5528670 | Voice message-based administration system |
| 5526423 | Communication apparatus and method with service execution accordi... |
| 5526407 | Method and apparatus for managing information |
| 5524140 | Telephone answering device linking displayed data with recorded a... |
| 5524137 | Multi-media messaging system |
| 5517557 | Facsimile apparatus with automatic telephone answering function |
| 5515421 | Automatic batch broadcast system |
| 5511111 | Caller name and identification communication system with caller ... |
| 5511112 | Automated voice system for improving agent efficiency and improvi... |
| 5506890 | Method and apparatus for group-specific calling |
| 5506901 | Call eavesdropping arrangement |
| 5504805 | Calling number identification using speech recognition |
| 5499287 | FAX-telephone interface circuit |
| 5497413 | Telephone system with message recording function |
| 5493607 | Multi-system network addressing |
| 5490205 | Telephone set for handling a call |
| 5488650 | Configurable telephone interface for electronic devices |