According to official sources (http://www.ubuntu.com/phone/install http://www.ubuntu.com/phone/install), the Ubuntu Phone beta has the following capabilities:

According to official sources (http://www.ubuntu.com/phone/install http://www.ubuntu.com/phone/install), the Ubuntu Phone beta has the following capabilities: "Connection to the GSM network on Galaxy Nexus and Nexus 4" "Phone calls and SMS on Galaxy Nexus and Nexus 4"