CallingCardBuster.co.uk is a voip client that offers online calls using your PC, landline, mobile phone or tablet.
The advantages of this provider are: cheap rates, cheap call back services, no connection fees, 24 hour flat rate.
Site
Currency
SIP
Free destinations
Number of free days
Number of free minutes per week
Phone connection fee
Application for PC
Application for mobile phone
Registar
SIP port
Proxy server
STUN server (option)
Outbound proxy server
Account name
Password
Display
sip.callingcardbuster.co.uk
5060
sip.callingcardbuster.co.uk
stun.callingcardbuster.co.uk
leave empty
CallingCardBuster username
CallingCardBuster password
your username or number