After long time since I planned, I have done a VOIP setup at home for receiving and making voice calls. Here are my contact information.

sip:692923@fwd.pulver.com
sip:kprav33n@iptel.org
sip:8599999@fonosip.com

I have also registered and setup my US and UK PSTN numbers.

US:
+1-360-226-xxxx
+1-646-375-xxxx

UK:
+44-870-340-xxxx

PS: If you are intersted in resolving the xxxx, please shoot me an e-mail and I will let you know :-)