Customer tried to use the VOICE CALL F66 to a M7100. the person at the handset could hear them but then when they spoke back they could not be heard. This is happening on all 4 M7100s. I have checked to make sure that the AUTO Handsfree option on on. They rest of the larger sets work just fine.
"A phone is a phone and not a computer workstation".
"A phone is a phone and not a computer workstation".