Emergency call If any emergency arises, dial 112/911 (or other emergency call number) for emergency help. Note: Due to the nature of cellular networking, the success of emergency call is not guaranteed. FCC Warning: This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.