Patent · US Active

Mobile phone integration with a private branch exchange in a distributed telephony system

US8649819B2 · kind B2 · utility

3Cited by
1References
30Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 12, 2010
Grant dateFeb 11, 2014
Priority date
Expiry dateSep 16, 2030

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04W80/04
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

A system and method for providing PBX functionality to a mobile phone includes a private branch exchange having a mobile phone proxy. A call control path is established between the mobile phone and a private branch exchange. The call control path is a direct trunk line, a mobile voice network, an IP data network, a mobile data network or a 4G network. The private branch exchange receives a request to perform the PBX function. The private branch exchange uses the call control path to perform the PBX function.

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