a method and apparatus for integrating a voice over internet protocol client in a wireless pc card are disclosed . a soft mobile phone client is combined with a cellular pc card to create a single physical device that is capable of providing voip services to a computer user through the cellular capabilities of the device itself , or alternatively , through any other internet connectivity available to the computer . when a user inserts the voip client / cellular pc card into a computer , a graphical user interface within the connection manager software is launched allowing the user to communicate voip function commands to the voip client . a check for internet connectivity may be performed , at which time the radio portion of the enhanced pc card may be put into an idle state if connectivity is detected , or may alternatively establish internet connectivity through the cellular portion of the enhanced pc card .