Patent | Date |
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Inter domain instant messaging bridge Grant 10,938,914 - Milton , et al. March 2, 2 | 2021-03-02 |
Reduction of wireless communication costs in enterprises Grant 9,788,256 - Buford , et al. October 10, 2 | 2017-10-10 |
Inter Domain Instant Messaging Bridge App 20170208130 - Milton; Stephen M. ;   et al. | 2017-07-20 |
Managing held telephone calls at the call-forwarding system Grant 9,160,861 - Abramson , et al. October 13, 2 | 2015-10-13 |
Quantum and promiscuous user agents Grant 8,929,209 - Balasaygun , et al. January 6, 2 | 2015-01-06 |
Private branch exchange that manages interactions between associated telecommunications terminals Grant 8,879,707 - Abramson , et al. November 4, 2 | 2014-11-04 |
Changing the user interface at a telecommunications terminal Grant 8,811,967 - Abramson , et al. August 19, 2 | 2014-08-19 |
Private-branch exchange that provides call bridging to an off-premises terminal in the presence of a third-party application Grant 8,619,956 - Abramson , et al. December 31, 2 | 2013-12-31 |
Reduction of Wireless Communication Costs in Enterprises App 20130252619 - Buford; John ;   et al. | 2013-09-26 |
Quantum And Promiscuous User Agents App 20130156026 - Balasaygun; Mehmet C. ;   et al. | 2013-06-20 |
Reduction of wireless communication costs in enterprises Grant 8,452,303 - Buford , et al. May 28, 2 | 2013-05-28 |
Private-branch exchange that provides outgoing calling for an off-premises terminal in the presence of a third-party application Grant 8,442,202 - Abramson , et al. May 14, 2 | 2013-05-14 |
Quantum and promiscuous user agents Grant 8,391,138 - Balasaygun , et al. March 5, 2 | 2013-03-05 |
Changing The User Interface At A Telecommunications Terminal App 20130017813 - Abramson; Sandra R. ;   et al. | 2013-01-17 |
Secure feature access from an off-PBX telephone Grant 8,300,782 - Milton October 30, 2 | 2012-10-30 |
Shared mapping of a station extension within a distributed, enterprise telecommunications system, to an associated telephone number Grant 8,275,113 - Abramson , et al. September 25, 2 | 2012-09-25 |
Call extension in telecommunications systems Grant 8,259,920 - Abramson , et al. September 4, 2 | 2012-09-04 |
Emulation of private branch exchange behavior Grant 8,259,922 - Abramson , et al. September 4, 2 | 2012-09-04 |
Call-handling for an off-premises, telecommunications terminal with an installed subscriber identity module Grant 8,160,585 - Abramson , et al. April 17, 2 | 2012-04-17 |
Private-branch exchange that provides incoming calling extended to an off-premises terminal in the presence of a third-party application Grant 8,160,228 - Abramson , et al. April 17, 2 | 2012-04-17 |
Call-Handling for an Off-Premises, Telecommunications Terminal with an Installed Subscriber Identity Module App 20120046031 - Abramson; Sandra R. ;   et al. | 2012-02-23 |
Call-handling for an off-premises, telecommunications terminal with an installed subscriber identity module Grant 8,036,660 - Abramson , et al. October 11, 2 | 2011-10-11 |
Determining whether to provide authentication credentials based on call-establishment delay Grant 8,014,501 - Abramson , et al. September 6, 2 | 2011-09-06 |
Rapid response to user input at a telecommunications terminal Grant 7,991,143 - Abramson , et al. August 2, 2 | 2011-08-02 |
Disaster recovery via alternative terminals and partitioned networks Grant 7,983,148 - Abramson , et al. July 19, 2 | 2011-07-19 |
Call handling of an indeterminate termination Grant 7,983,410 - Abramson , et al. July 19, 2 | 2011-07-19 |
Detection of telephone number spoofing Grant 7,974,395 - Abramson , et al. July 5, 2 | 2011-07-05 |
Quantum And Promiscuous User Agents App 20110110362 - Balasaygun; Mehmet C. ;   et al. | 2011-05-12 |
Private branch exchange with self-referencing extensions Grant 7,920,685 - Abramson , et al. April 5, 2 | 2011-04-05 |
Cost-conscious telecommunications terminal Grant 7,885,399 - Abramson , et al. February 8, 2 | 2011-02-08 |
Secure Feature Access From An Off-pbx Telephone App 20100215159 - Milton; Stephen M. | 2010-08-26 |
Detecting a voice mail system answering a call Grant 7,680,260 - Abramson , et al. March 16, 2 | 2010-03-16 |
Shared Mapping of a Station Extension within a Distributed, Enterprise Telecommunications System, to an Associated Telephone Number App 20100002860 - Abramson; Sandra R. ;   et al. | 2010-01-07 |
Call-Handling for an Off-Premises, Telecommunications Terminal with an Installed Subscriber Identity Module App 20090191915 - Abramson; Sandra R. ;   et al. | 2009-07-30 |
Automatic Emergency Profile App 20090136006 - Milton; Stephen M. ;   et al. | 2009-05-28 |
Rapid Response To User Input at a Telecommunications Terminal App 20090052650 - Abramson; Sandra R. ;   et al. | 2009-02-26 |
Reduction of Wireless Communication Costs in Enterprises App 20090022303 - Buford; John ;   et al. | 2009-01-22 |
Cost-Conscious Telecommunications Terminal App 20090022302 - Abramson; Sandra R. ;   et al. | 2009-01-22 |
Detection of looping communication channels Grant 7,440,421 - Abramson , et al. October 21, 2 | 2008-10-21 |
Emulation of Private Branch Exchange Behavior App 20080227439 - Abramson; Sandra R. ;   et al. | 2008-09-18 |
Private-Branch Exchange that Provides Call Bridging to an Off-Premises Terminal in the Presence of a Third-Party Application App 20080187124 - Abramson; Sandra R. ;   et al. | 2008-08-07 |
Private-Branch Exchange that Provides Incoming Calling Extended to an Off-Premises Terminal in the Presence of a Third-Party Application App 20080187126 - Abramson; Sandra R. ;   et al. | 2008-08-07 |
Private-Branch Exchange that Provides Outgoing Calling for an Off-Premises Terminal in the Presence of a Third-Party Application App 20080187123 - Abramson; Sandra R. ;   et al. | 2008-08-07 |
Private Branch Exchange With Self-Referencing Extensions App 20080123837 - Abramson; Sandra R. ;   et al. | 2008-05-29 |
Determining Whether to Provide Authentication Credentials Based on Call-Establishment Delay App 20080123825 - Abramson; Sandra R. ;   et al. | 2008-05-29 |
Changing the User Interface at a Telecommunications Terminal App 20080095351 - Abramson; Sandra R. ;   et al. | 2008-04-24 |
Subscriber mobility in telephony systems Grant 7,319,692 - Boyle , et al. January 15, 2 | 2008-01-15 |
Signaling a Telecommunications Terminal Through a Remote System App 20070280454 - Abramson; Sandra R. ;   et al. | 2007-12-06 |
Switch-based call processing with detection of voice path connection between multiple trunks in external network Grant 7,272,391 - Bridges , et al. September 18, 2 | 2007-09-18 |
Detection of telephone number spoofing App 20070081648 - Abramson; Sandra R. ;   et al. | 2007-04-12 |
Continuing a call on a call appearance that has been excluded from the call App 20070049331 - Abramson; Sandra R. ;   et al. | 2007-03-01 |
Managing held telephone calls at the call-forwarding system App 20070041559 - Abramson; Sandra R. ;   et al. | 2007-02-22 |
Call handling of an indeterminate termination App 20070003039 - Abramson; Sandra R. ;   et al. | 2007-01-04 |
Detecting a voice mail system answering a call App 20060251222 - Abramson; Sandra R. ;   et al. | 2006-11-09 |
Changing the user interface at a telecommunications terminal App 20060252417 - Abramson; Sandra R. ;   et al. | 2006-11-09 |
Switch buttons activated from an external network Grant 7,120,243 - Milton October 10, 2 | 2006-10-10 |
Call extension in telecommunications systems App 20060177032 - Abramson; Sandra R. ;   et al. | 2006-08-10 |
Private branch exchange with call-setup features for off-premises telecommunications terminals App 20060159249 - Abramson; Sandra R. ;   et al. | 2006-07-20 |
Private branch exchange that manages interactions between associated telecommunications terminals App 20060159248 - Abramson; Sandra R. ;   et al. | 2006-07-20 |
Private branch exchange with remote access to features App 20060159246 - Abramson; Sandra R. ;   et al. | 2006-07-20 |
Voice message notification and retrieval via mobile client devices in a communication system Grant 7,050,792 - Chou , et al. May 23, 2 | 2006-05-23 |
Detection of looping communication channels App 20060067359 - Abramson; Sandra R. ;   et al. | 2006-03-30 |
Enhanced feature access via keypad and display in a user terminal of a communication system Grant 6,920,339 - Choy , et al. July 19, 2 | 2005-07-19 |
Method for forwarding calls to multiple telephone numbers App 20040234063 - Milton, Stephen M. ;   et al. | 2004-11-25 |
Switch buttons activated from an external network App 20040179666 - Milton, Stephen M. | 2004-09-16 |
Switch-based call processing with detection of voice path connection between multiple trunks in external network App 20040180651 - Bridges, Sydney D. ;   et al. | 2004-09-16 |
Subscriber mobility in telephony systems App 20040165712 - Boyle, Frank J. ;   et al. | 2004-08-26 |
Voice message notification and retrieval via mobile client devices in a communication system App 20040121762 - Chou, Wu ;   et al. | 2004-06-24 |
Method and apparatus for extending calls to internal switch extensions out to external network endpoints Grant 6,751,309 - Milton June 15, 2 | 2004-06-15 |
Method and apparatus for treating externally-originated calls as coming from internal switch extensions Grant 6,748,071 - Milton June 8, 2 | 2004-06-08 |
Feature access control in a display-based terminal environment Grant 6,567,075 - Baker , et al. May 20, 2 | 2003-05-20 |
Method and apparatus for extending calls to internal switch extensions out to external network endpoints App 20030016810 - Milton, Stephen M. | 2003-01-23 |
Method and apparatus for treating externally-originated calls as coming from internal switch extensions App 20030016811 - Milton, Stephen M. | 2003-01-23 |
Location independent time reporting message retrieval system Grant 5,631,949 - Milton , et al. May 20, 1 | 1997-05-20 |