System and method for assuring connection of TTY telephone calls to a call center
US6724886B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 15, 2001 |
| Grant date | Apr 20, 2004 |
| Priority date | — |
| Expiry date | Oct 7, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M3/42391
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A call center handles TTY calls for the hearing and speech impaired. The call center includes a modem bank housing multiple modems. Each modem in the modem bank is connected to a switching system and a network. Terminals for handling the calls are also connected to the network. A call controller is connected to the network and to the switching system. When a call is received by the switching system, call information is transmitted to the call controller by the switching system. The call is then extended by the switch to a modem in a modem pool. The modem bank controller then requests the identity of an available terminal to handle the call from the call controller. The call controller determines which of terminals is available to handle the incoming call. The identity of the selected terminal is transmitted to the modem bank controller. The modem bank controller commands the modem receiving the call to then transmit data received to the selected terminal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.