System And Methods For Data Communications In A Wireless Communication System

A method of operating a mobile device comprising:

• receiving, via a wireless network from a relay services node, an enable message which indicates a pending data message to be retrieved from a host service, the pending data message comprising a body of text;
• opening a messaging application at the mobile device subsequent to the receiving of the enable message;
• commencing a data session at the mobile device pursuant to the opening of the messaging application;
• pursuant to the commencing of the data session, communicating directly with the host service without use of the relay services node for retrieving the pending data message from the host service via the wireless network, including:
• sending, to the host service, a fetch message to retrieve the pending data message;
• and
• receiving, from the host service, the data message in response to sending the fetch message.

A method for communicating data messages comprising:

• sending, from a relay services node, an enable message to a mobile device, the enable message being indicative of a data message received at a host service and destined for the mobile device, the data message comprising a body of text;
• receiving via a wireless network the enable message at the mobile device;
• opening a messaging application at the mobile device subsequent to receiving the enable message;
• sending, from the mobile device to the host service, a fetch message to retrieve the data message responsive to the opening of the messaging application;
• and
• in response to sending the fetch message, receiving from the host service the data message comprising the body of text.