Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Call overflow system and method for overflowing telephone calls between telephonic switches

Call overflow system and method for overflowing telephone calls between telephonic switches

US Patent 6246759 · Granted Jun 12, 2001

Estimated economic value: $73,723,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method and apparatus for capturing carbon dioxide and producing sulfuric acid by2022
System and method for bidirectional data, power transmission, electronic fault i2021
Detection method of nucleic acid and kit and using thereof2016
Method and system for data exchange when a call is established on a non-class A 2014
Method and system for device switching through a server2014
Client device method and apparatus for routing a call2014
Client device method and apparatus for routing a call2013
Method and system for automatic seamless mobility2013
System and method for reconnecting a device to a group call2012
Client device method and apparatus for routing a call2012
Client device method and apparatus for routing a call2012
Client device method and apparatus for routing a call2011