| 9420081 |
Dialed digits based vocoder assignment |
Jun Shen, Alan Denis MacDonald |
2016-08-16 |
| 9247045 |
Operating a directory assistance call center based upon directory assistance database and caller ID data |
— |
2016-01-26 |
| 8738648 |
System and method for delivery of business information through an electronic address book |
Ely Shemesh, Stephen Chappell |
2014-05-27 |
| 8676575 |
Dialed digits based vocoder assignment |
Jun Shen, Alan Denis MacDonald |
2014-03-18 |
| 8358766 |
Operating a directory assistance call center based upon directory assistance database and caller ID data |
— |
2013-01-22 |
| 7881717 |
Method for registering with a communication service |
Denise Febo |
2011-02-01 |
| 7630885 |
Dialed digits based vocoder assignment |
Jun Shen, Alan Denis MacDonald |
2009-12-08 |
| 7167706 |
Method for registering with a communication service |
Denise Febo |
2007-01-23 |
| 6859649 |
Method for registering with a communication service |
Denise Febo |
2005-02-22 |