Use skype
Dial +1 then area code then cell or landline number...To call cheaper to a cell phone you can use Skype or from PC to PC Skype or Google talk is free !
Yes, You Can Here Are Some Programs That You Can Use: Skype Yahoo By Komail
Yes. You can use either Hamachi or Skype.
Yes - go to Android Market
a PC is a computer. and yes it works on a PC.
I guess you are referring to free call from PC to phone. VoIP service is the best option. You can use skype.
Yes, Skype offers PC to phone services for a small fee. Their PC to PC services are free however. This and other information can be found at their website.
You can use Virtual PC software. Its very cool..
Qeep has no such a version like skype, yahoo messenger or gtalk etc. You have to use it via qeep.mobi from your pc.
"You do not need PC headsets to use Skype. However, for sound you will obviously need a microphone and speakers. A PC headset contains both of these however, it is not your only option."
With Skype