Echolink is Operational on 443.225 & 443.150
If you haven't gotten involved with Echolink you should check it out. If you have a valid Amateur Radio License, you can use Echolink to have QSO's all over the world without the worry of antennas or power. But the main reasons we added this feature was to:
NOTE: The issues we had pending for the iPhone have apparently been resolved with the change of server that is now hosting the echolink app.