There is available firmware update for Skype Wifi phones.

This updated solves following issues:

* Improved Wifi connectivity
* Cannot listen to voicemail while contacts are loading after powering on.
* New event icon does not go away
* "Scan again" option cuts back to home menu
* Greyed out options
* No "Call failed" message when making a call to a blocked contact.
* Incorrect event icons for users
* Phone continuously vibrates
* Possible to sign into the last use account without a password
* Traditional Chinese character dissorted on some locations

More precise info with document enclosed in download.

Edge-Core WM4201 WiFi Phone For Skype
Software Version: 1.0.0.19.

Download it here.

New SMC Firmware: 1.0.0.19P1
See SMC website or direct links from here:

* UK
* US