VOX for Skype is a plug-in that allows users to access their Skype account from their mobile phone even when away from their PC. To use VOX for Skype, a user needs a Skype account, a PC with Windows XP or Windows 200 and the VOX for Skype software installed. VOX for Skype can be accessed through a SkypeIn phone number or via SMS. When a user calls their SkypeIn number or sends an SMS, VOX for Skype recognizes the user's phone number and provides access to features like calling Skype contacts, checking who is online, and accessing voicemail.