Patent · US Active

Telephone call processing

US8428235B2 · kind B2 · utility

0Cited by

1References

13Claims

0Family size

Assignee

MetaSwitch Networks Ltd. · GB

Inventors

Martin Taylor · Lithonia, US
Paul John Brittain · Chester, GB

Key dates

Filing date	Sep 18, 2009
Grant date	Apr 23, 2013
Priority date	—
Expiry date	Dec 14, 2031

Classification

Technology area (CPC H)Electricity
CPC primaryH04M2207/12
WIPO fieldTelecommunications
WIPO sectorElectrical engineering

Abstract

Embodiments of the present invention, include provision of enhanced telephony services for telephone calls received at local telephone exchange switches which do not themselves support identification of enhanced telephony service users and the associated triggering to initiate the provision of enhanced telephony services. Using a supported number portability mechanism, local telephone exchange switches allow provision of enhanced telephony services.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.