Systems, methods, and computer program products communicating the state of a wireless user device in a wireless domain to an application server in an internet protocol (IP) domain are disclosed. According to one aspect, a system for communicating the state of a wireless user device in a wireless domain to an application server in an Internet protocol domain includes a wireless user device configured to operate in a wireless domain and configured to detect a change of its state, and, in response to detecting the change of state, to send a message service message, the message service message containing status information indicating a current state of the wireless user device. The system also includes an application server configured to operate in the IP domain and for receiving the status information indicating a state of the wireless user device and for providing at least one service to the wireless user device based on the current state of the wireless user device.