| US 7,492,755 B2 | ||
| Software method utilizing caller ID for maintaining connectivity during communications over distinct wireless networks by mobile computer terminals | ||
| Joseph Cabana, Centereach, N.Y. (US) | ||
| Assigned to Symbol Technologies, Inc., Holtsville, N.Y. (US) | ||
| Filed on Oct. 30, 2002, as Appl. No. 10/283,796. | ||
| Prior Publication US 2004/0085948 A1, May 06, 2004 | ||
| This patent is subject to a terminal disclaimer. | ||
| Int. Cl. H04L 12/66 (2006.01) | ||
| U.S. Cl. 370—352 [370/401; 379/88.17] | 17 Claims |
| 1. A method of maintaining communications between a mobile, wireless terminal and a base station of a wireless local area
network (LAN), comprising the steps of:
determining when the communications between the terminal and the station over a first communications channel on the LAN have
been impeded;
placing a telephone call from the station to the terminal over a public switched telephone network (PSTN) upon the determination
that the communications over the first channel were impeded;
establishing a second communications channel on the PSTN; and
transferring further communications between the terminal and the station over the second channel on the PSTN.
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