Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Methods and apparatus to perform call screening in a voice over internet protocol (VoIP) network

Methods and apparatus to perform call screening in a voice over internet protocol (VoIP) network

US Patent 8923281 · Granted Dec 30, 2014

Estimated economic value: $13,917,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Methods for cellulose hydrolysis using sulfonated polyaromatic catalysts2025
Lignin extraction with volatile trialkylamines2025
Systems and methods for providing ENUM service activations2024
System for extended reality visual contributions2024
Electrochemical reductive carboxylation of unsaturated organic substrates in ion2023
Electrocatalytic synthesis of dihydrochalcones2023
Electrolyzer reactor and related methods2023
Systems and methods for providing ENUM service activations2023
Systems and methods for providing ENUM service activations2023
Electrocatalytic hydrogenation and hydrodeoxygenation of oxygenated and unsatura2023
System for extended reality visual contributions2023
Techniques for real-time object creation in extended reality environments2023