Assertion: echo | /r/HasProperty | problem
Facets:
value: with the advent of voip
type: OTHER
Source sentences:
text: When is Echo a problem?
text: Echo is a problem when it interferes with our understanding of another person’s voice in a phone call, or when it confuses a person who is speaking because he hears himself on the line.
text: Although some technologies mitigate many causes, echo is still a problem even with the advent of VoIP.