Patent · US Active

Session initiation protocol extensions for call control and resource status monitoring in turrets and turret switching systems

US8363572B2 · kind B2 · utility

2Cited by
2References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 19, 2010
Grant dateJan 29, 2013
Priority date
Expiry dateJan 22, 2031

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04M3/42323
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

Systems, methods, and computer program products are provided for controlling calls and monitoring resource status for turret systems. A SIP message including at least one of a header field and an event package is received from a SIP user agent over a communication network. The header field includes a first parameter corresponding to a first call feature and the event package includes a second parameter corresponding to a second call feature. At least one of the first call feature and the second call feature is implemented by the softswitch or a SIP-enabled turret in response to the receiving.

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