Method and apparatus for enabling dual tone multi-frequency signal processing in the core voice over internet protocol network

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7924814
SERIAL NO

11003746

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

The invention provides a method and apparatus for enabling DTMF signal processing in the core VoIP network. More specifically, the present invention enables a VoIP network to recognize and respond to special DTMF signals entered by a user and initiate the appropriate service logic response to satisfy the user's service request.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

  • AT&T CORP.;AT&T INTELLECTUAL PROPERTY II, L.P.

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Croak, Marian Fair Haven, US 249 1920
Eslambolchi, Hossein Los Altos Hills, US 473 5524

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation