Patent ID: 7987235

Claim:
An electronic mail (email) communications system, comprising: a mobile office platform comprising a processor and a direct access proxy for accessing an electronic mailbox of the user and pushing email from the electronic mailbox of the user to a wireless communications device; a web client engine operative with the mobile office platform, and comprising a port agent module that communicates with the wireless communications device and operative to receive a message from a wireless communications device as a request corresponding to a job to be completed, and a worker module that receives the message from the port agent module for completing the job; and a database for storing requests corresponding to non-completed jobs, wherein the web client engine is operative for attempting to process a job within a specified delay time as a configurable time-out value dependent on the job to be completed, and if successful, transmitting an Acknowledgement (ACK) to the wireless communications device to indicate the job was completed without saving the request to said database, and if the job has not been completed within the specified delay time, saving the message as a request in the database and transmitting an ACK to the wireless communications device indicating that the request was received and is stored at the database, and further comprising a table of ACK's corresponding to jobs stored in the database, wherein when a job is completed, only one ACK corresponding to the completed job is transmitted to the communications device, and the ACK is removed from the table.