Forum migration mostly complete. Please see this post for more info and post any issues.
agusplastra,You might give ekiga or linphone a try. They are in the repositories now.
Unfortunately, that only works if all your contacts also use it.
@hata_ph, I gave it a bit of a test, starts up fine, but it's too late for me to call anybody.I have moved it to the 32bit testing repo so anybody else is welcome to give it a try.