| Number | Name | Date | Kind |
|---|---|---|---|
| 5435544 | Mandel | Jul 1995 | A |
| 5627764 | Schutzman et al. | May 1997 | A |
| 5734820 | Howard et al. | Mar 1998 | A |
| 5787153 | Bankay et al. | Jul 1998 | A |
| 5991365 | Pizano et al. | Nov 1999 | A |
| 6018762 | Brunson et al. | Jan 2000 | A |
| 6175859 | Mohler | Jan 2001 | B1 |
| 6226359 | Montgomery et al. | May 2001 | B1 |
| 6233318 | Picard et al. | May 2001 | B1 |
| 6360272 | Lincke et al. | Mar 2002 | B1 |
| 6393463 | Fuchigami | May 2002 | B1 |
| Entry |
|---|
| Hofmann et al, INGate: Integrating Telephony and Internet, IEEE 1997.* |
| Baird et al, Next-generation Multimedia Messaging, IEEE 1997. |