Summary: Seems to be a real problem with getting the speaker to work on the handset
Pros: You don't need to sit at the PC to make a call
Cons: Frustrating as no support from Cisco and it is supposed to be an end-user device (ie not installed by a techie) This is rubbish and don't buy it as the speaker on the handset intermittently stops working. Installed latest drivers; reboot; replug into USB. Still no sound.
Summary: worked OK for first couple of hours then kept getting message telling me base station not connected when it was. re-installed software three times but no good. Waiting for return info to receive replacement. Service excellent so hope product problem just a glitch.