Methods and apparatus for call surveillance in internet protocol communication networks

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8194825
APP PUB NO 20090074156A1
SERIAL NO

11857241

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

Methods and apparatus for call surveillance in Internet protocol communication networks are disclosed. An example method to perform call surveillance in a communication network disclosed herein comprises determining an overall path delay measurement associated with using a first media server to perform surveillance of a call between a first user device and a second user device in an Internet Protocol Multimedia Subsystem network, and determining whether to perform surveillance of the call with one of the first media server or a second media server based on the overall path delay measurement.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

  • AT&T INTELLECTUAL PROPERTY I, L.P.;AT&T KNOWLEDGE VENTURES, L.P.

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Huang, Alexander Austin, US 12 340
Ku, Bernard Austin, US 185 2411
Soo, Armstrong San Ramon, US 60 676

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
11.5 Year Payment $7400.00 $3700.00 $1850.00 Dec 5, 2023
Fee Large entity fee small entity fee micro entity fee
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00