Application layer signaling is provided from users registering at a presence server for a presence service wherein upon reception the signaling is checked for spatial location information and stored for future use in providing the presence service in association with other user information, such as user...http://www.google.fr/patents/US7870196?utm_source=gb-gplus-shareBrevet US7870196 - System and methods for using an application layer control protocol transporting spatial location information pertaining to devices connected to wired and wireless internet protocol networks
System and methods for using an application layer control protocol ...