Location of the "rasphone.pbk"

Windows 10

C:\Users\%USERNAME%\AppData\Roaming\Microsoft\Network\Connections\Pbk

Windows 8

C:\Users\%USERNAME%\AppData\Roaming\Microsoft\Network\Connections\Pbk

Windows 7

C:\Users\%USERNAME%\AppData\Roaming\Microsoft\Network\Connections\Pbk

Windows XP

C:\Documents and Settings\All Users\Application Data\Microsoft\Network\Connections\Pbk