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Method and apparatus for establishing a voice call to a PSTN extension for a networked client computer Grant 7,248,675 - Mirashrafi , et al. July 24, 2 | 2007-07-24 |
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Method and apparatus for assigning cost metrics to electronic messages App 20060092920 - Karamchedu; Murali M. ;   et al. | 2006-05-04 |
Method and apparatus for establishing a voice call by way of an electronic mail message Grant 6,865,161 - Sponaugle , et al. March 8, 2 | 2005-03-08 |
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Method and apparatus for establishing a collect call originated through a packet based network Grant 6,788,674 - Karamchedu , et al. September 7, 2 | 2004-09-07 |
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Method and apparatus for semantic qualification and contextualization of electronic messages App 20040054744 - Karamchedu, Murali M. ;   et al. | 2004-03-18 |
Method and apparatus for establishing a voice call to a PSTN extension for a networked client computer App 20040052339 - Mirashrafi, Mojtaba ;   et al. | 2004-03-18 |
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Opaque message archives App 20040030917 - Karamchedu, Murali M. ;   et al. | 2004-02-12 |
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Method and apparatus for establishing a voice call to a PSTN extension for a networked client computer Grant 6,661,878 - Mirashrafi , et al. December 9, 2 | 2003-12-09 |
Method and apparatus for selecting an internet/PSTN changeover server for a packet based phone call Grant 6,628,760 - Mirashrafi , et al. September 30, 2 | 2003-09-30 |
Virtual calling card with arbitrary controls App 20020071426 - Karamchedu, Murali ;   et al. | 2002-06-13 |
Method and apparatus for establishing and facilitating a voice call connection from a client computer to a PSTN extension App 20020042826 - Gaus, Jeffrey W. ;   et al. | 2002-04-11 |
Method and apparatus for facilitating tiered collaboration Grant 6,310,941 - Crutcher , et al. October 30, 2 | 2001-10-30 |
Method and apparatus for establishing and facilitating a direct quality voice call to a telephone extension on behalf of a client computer Grant 6,304,637 - Mirashrafi , et al. October 16, 2 | 2001-10-16 |
Method and apparatus for selecting an internet/PSTN changeover server for a packet based phone call App 20010012357 - Mirashrafi, Mojtaba ;   et al. | 2001-08-09 |
Method and apparatus for establishing and facilitating a voice call connection from a client computer to a PSTN extension Grant 6,144,670 - Sponaugle , et al. November 7, 2 | 2000-11-07 |
Method and apparatus for establishing a voice call to a PSTN extension for a networked client computer Grant 6,026,087 - Mirashrafi , et al. February 15, 2 | 2000-02-15 |