Call waiting priority alert
US7254226B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | May 8, 2001 |
| Grant date | Aug 7, 2007 |
| Priority date | — |
| Expiry date | Feb 11, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M2207/12
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A method for delivering a priority call waiting alert service to a telephone subscriber. An embodiment of the present invention may be implemented on an Advanced Intelligent Network (AIN). When a call intended the subscriber is received by a service switching point from a calling party while the telephone line is already engaged in a first communication between the subscriber and a third party, the calling party is solicited to supply a priority code. If the priority code is recognized by a service control point, a call waiting tone or a priority alert signal associated with the priority code is played to alert the subscriber that a priority call has been received.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.