Calling line/name identification of enterprise subscribers in mobile calls

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9667667
SERIAL NO

14624061

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A system, server, and method of DTMF detection in a VoIP network.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
TANGO NETWORKS INC2801 NETWORK BLVD SUITE 200 FRISCO TX 75034

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Landgren, Patricia Plano, US 31 752
Lewis, Lathan Dallas, US 42 968
Silver, Andrew Frisco, US 138 2439

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 Nov 30, 2028
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