We have 5621SW IP phones and when the users put the phones on speaker the quality is horrible. The user on the other end will fade in and out and the only way to hear them is to put the phone on mute while they are talking. Does anyone have any suggestions as to what could be causing the problem?
IP Office 4.12
System is Grounded
switches are HP Proliant POE
IP Office 4.12
System is Grounded
switches are HP Proliant POE