Can`t connect with Sip Softphone, Iax works

Can not connect me with x-lite (sip) softphone. Only IAX Phone works. Server is in New York my location is Germany. Ping time is approximately 100 ms. IP is http://xxxxxxxxx. Can someone try from the U.S. or Asia?
User cc100 to cc130 Password xxxxxxxxxx
User cc100 to cc130 Password xxxxxxxxxx