Install and run
Click Menu – Options – Profile
Select New, and enter Tpad as profile name and click OK
Select Tpad Profile and click Edit.
Goto SIP Proxy Page and enter:
Domain / Realm: sip.tpad.com
Proxy (URI): sip.tpad.com
Goto SIP Registration Page and enter:
Tick the second box and enter 3600
Select UDP in the next box below instead of default.
 Select Profile Page then Tpad and click Use.
Enter your 7 digit Tpad IN Number then enter your Tpad Password
(both of these details are found in your Tpad Team Email)
Make a call by dialling a 9 first then the full international number

9 + Country Code + Area Code + Contact Number 900441282777711

Make a Tpad to Tpad Call (Free Call) – just dial the 7 digit Tpad Number of your friend e.g.  1125139