HiHas anyone had a problem with incoming calls when using a BT 2500 DECT  connected direct to VM Hub 3.0 ? Mine works OK for outgoing calls but about 1/2 incoming calls we can hear the caller but they can't hear me .    If anyone had this problem and...

About 50% of incoming calls we cant hear the caller but they can hear us .  If we phone back the call is OK .  About 10 % outgoing calls fail as we dont get a ringing tone .  Dial tone always present on picking up the phone to make a call . It is VOI...