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| 7200216 | Call distribution |
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| 7177655 | Method of instantly receiving and playing back audio data from wi... |
| 7170993 | Methods and apparatus for automated monitoring and action taking ... |
| 7158630 | Do-not-call compliance management for predictive dialer call cent... |
| 7155003 | Networks, systems and methods for routing data traffic within a t... |
| 7146001 | Dynamic essential line service |
| 7142658 | DTMF control |
| 7139380 | System and method for performing signaling-plan-specific call pro... |
| 7136479 | Method of and apparatus wherein a telephone user on hold is not r... |
| 7133694 | Method and apparatus for transmitting voice information in a mobi... |
| 7133516 | Prevention of call forwarding loops in communication networks |
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| 7130409 | Systems and methods using secondary signal backchanneling |
| 7127051 | System and method for providing advanced telephony services using... |
| 7116770 | Communication network management |
| 7116773 | Reverse caller-identification |
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| 7116777 | Termination frame with modules and method |
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| 7113583 | Telephone and private branch exchange |
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| 7106844 | System and method for identifying contaminated telephone numbers ... |
| 7099456 | Call center system |
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| 7099449 | Telecommunication network that provides caller-entered informatio... |
| 7099448 | Identification of participant in a teleconference |
| 7095835 | Time based regulation of use of a telephone line |
| 7095842 | Enabling caller controlled hold queue position adjustment |
| 7092744 | Hands-free microphone mounting |
| 7092502 | System and method for reporting and delivering calls |
| 7085548 | Harmonic mixer |
| 7085364 | Advanced conference drop |
| 7076047 | Method and apparatus for determining the carrier used for an AIN ... |
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