Instant messaging to a mobile device

摘要

A wireless communications device logs on to an instant messaging service through a proxy server. Notification of an incoming instant message is provided to the wireless communications device by converting at least part of the instant message to Short Message Service (SMS) format or by transmitting a notice in SMS format that a message has been received.

主权项

1. A method performed by a server, the method comprising:
establishing a data connection, at the server, with a wireless communication device via a wireless communication network; receiving message service login information from the wireless communication device; logging on, by the server, to a message service using the message service login information as a proxy for the wireless communication device; transmitting, by the server, to the message service, presence information indicating that the wireless communication device is online with respect to the message service; terminating, by the server, the data connection with the wireless communication device; and maintaining, by the server, the presence information as online for the wireless communication device while the wireless communication device remains in an active state in which the wireless communication device is powered up but does not have a data connection to the wireless communication network.