Patent ID: 9749842
Date: 2017-08-29
CPC Classifications: H04L,H04W

Claim:
1. A method for dynamic updating of presence information in a communications system, comprising: registering a mobile device with a presence server following the mobile device being turned on; sending presence information from the mobile device to the presence server for distribution to one or more mobile devices of at least one subscriber that is listed in a network address book for the mobile device, the network address book being stored on a network address book server; and automatically receiving, at the mobile device, updated presence information of the at least one subscriber listed in the network address book from the presence server, the mobile device receiving the updated presence information without receiving additional user inputted information in response to the mobile device having a subscription to the presence information of the at least one subscriber, the updated presence information being obtained by the presence server from the one or more mobile devices of the at least one subscriber following the network address book server determining that the one or more mobile devices are capable of transmitting the updated presence information to the presence server.