I have installed Openfire (3.6.3) & Spark (2.5.8) for communication in the office.
Has been running well, but there is a problem in communication via voice.
Where when we want to make a connection to a “computer to computer” (call voice), who received a voice not heard clearly,
only the sound of noise that is not clearly heard.
I have reviewed in connection handset each PC (line-in & mic), there is no problem at all.
There may be a solution that can give ?