Disabling of echo cancelers after call startup

  • US 6,212,374 B1
  • Filed: 01/27/1998
  • Issued: 04/03/2001
  • Est. Priority Date: 06/23/1997
  • Status: Expired due to Term
First Claim
Patent Images

1. A system comprising:

  • means for generating a voice echo canceler disable tone; and

    means for transmitting said echo canceler disable tone, wherein said transmitted voice echo canceler disable tone disables voice echo cancelers in a cellular network brought on-line after call startup due to a hand off of communication from a first communication channel to a second communication channel.

View all claims

    Thank you for your feedback