Bought three of these six months ago. At end of February I upgraded my Skype to V4 (the current version). I immediately got a message to say that my Skype phone was no longer compatible with the version of Skype that I was running, and a link was provided to the Philips support site. No mention of any software upgrade for the phone to make it compatible with V4 of Skpe - so I contacted Philips. They said then that they had no plans to produce compatible software. I have just tried again, four weeks down the line, and Philips have now categorically stated that there will be no upgrade available to make these phones compatible with the current version of Skype. They suggested that I might like to buy their new phones, which are under development, as they will be compatible when they come out. What a good idea !! - I think not!! Never again will I buy Philips.
However, Amazon have kindly said that they will refund the money for these phones - I just have to find a suitable replacement with a cordless dual facility, but the Netgear phones have had mixed revues.