An apparatus includes a housing, an interface, a processor and a memory. The interface is affixed to the housing and is configured for coupling to a cellular wireless network. The processor is affixed to the housing and is coupled to the interface. The memory is affixed to the housing and is coupled to the processor. The memory is configured to store a set of instructions for causing the processor to receive a first message using the interface and, in response thereto, for causing the processor to broadcast a second message using the cellular wireless network and using the interface, the second message having a transmission parameter determined by the first message and wherein the second message is compatible with a messaging service protocol.