| Patent No. | Patent Title: |
| 5625682 | Help desk improvement |
| 5619554 | Distributed voice system and method |
| 5606604 | System and method for preventing fraud upon PBX through a remote ... |
| 5604796 | Method for automatically controlling a call-waiting-interruption ... |
| 5598464 | Method and apparatus for providing local number portability |
| 5594790 | Method for selecting and controlling the automatic dialing of a c... |
| 5592541 | Apparatus and method for forwarding incoming calls |
| 5590186 | System and method for redirecting a telephone call with call merg... |
| 5588046 | Digital telephone answering device and method of testing message ... |
| 5588044 | Voice response system with programming language extension |
| 5586166 | Chip card |
| 5583919 | Independent portable appliance constituting a telephone dealer an... |
| 5581601 | Communication system |
| 5577113 | Apparatus and method for virtual private telephone line with auto... |
| 5572577 | Information system for a PABX |
| 5563937 | Method and system for multi-channel data automatic call distribut... |
| 5557666 | Method for displaying an absent-message in a private exchange sys... |
| 5557667 | Method and system for multi-channel data automatic call distribut... |
| 5555292 | Pabx with voice mail device |
| 5550914 | Communications signalling network apparatus |
| 5550906 | Telecommunications feature server |
| 5546456 | Telecommunication system with inbound call responsive predictive ... |
| 5546451 | Call waiting cancellation device |
| 5546450 | System and method for providing switch translations |
| 5546454 | Automatic call distributor with telephonic call holding system |
| 5537470 | Method and apparatus for handling in-bound telemarketing calls |
| 5533108 | Method and system for routing phone calls based on voice and data... |
| 5533100 | Communications system call complete arrangement |
| 5530951 | Telephone line sharing apparatus |
| 5526417 | Automatic call distributor with automated postconversation messag... |
| 5521964 | Visual message waiting indication in a telephone voice message sy... |
| 5519773 | Call sharing for inbound and outbound call center agents |
| 5517566 | Method for allocating agent resources to multiple telephone call ... |
| 5517565 | Integrated ringer relay circuit and method |
| 5502762 | System and method for simultaneously controlling ringing at local... |
| 5500889 | Method and apparatus for prioritizing a telephone call according ... |
| 5495523 | Method for low priority telephony system assisted dialing |
| 5493606 | Multi-lingual prompt management system for a network applications... |
| 5491744 | Selective call waiting |
| 5487110 | Apparatus and method for virtual private telephone line with auto... |
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