System and method for pushing information from a host system to a mobile data communication device

A method of replicating data items in real time between a host system and a mobile device, comprising the steps of:

• establishing a set of data items in both the host system and the mobile device to be replicated over a wireless network;
• configuring one or more replication events at the host system, wherein the one or more replication events include an internal event that is generated by the host system;
• storing configuration information regarding the mobile device at the host system;
• detecting the occurrence of the one or more replication events;
• in response to the occurrence of the one or more replication events, continuously replicating changes in the set of data items between the host system and the mobile device by immediately transmitting, in real-time, replication information between the host system and the mobile device via the wireless network,
• for each date item to be replicated, the host system determining whether the data item includes an attachment, and if so, then determining the type of attachment;
• accessing the stored configuration information at the host system to determine whether the mobile device can receive and process attachments of the determined type;
• and
• if so, then transmitting replication information regarding the attachments to the mobile device, and if not, then transmitting replication information regarding the attachments to a device that is capable of processing the attachment;
• wherein the host system is an office computer system.

A method of replicating data items in real time between an office computer system and a mobile communications device, comprising the steps of:

• establishing a set of data items in both the office computer system and the mobile communications device to be replicated over an Internet communications network coupled to a wireless communications network operable with the mobile communications device;
• configuring one or more replication events at the office computer system;
• detecting the occurrence of the one or more replication events;
• in response to the occurrence of the one or more replication events, replicating changes in the set of data items between the office computer system and the mobile communications device by immediately transmitting, in real-time, replication information between the office computer system and the mobile communications device via the wireless network, wherein the data items in the office computer system and the mobile communications device include a set of calendar messages, and the replication information includes copies of the calendar messages;
• receiving the copies of the calendar messages at the mobile communications device;
• generating reply calendar messages at the mobile communications device to be sent to a plurality of calendar message senders and transmitting the reply calendar messages to the office computer system;
• receiving the reply calendar messages at the office computer system;
• storing the reply calendar messages at the office computer system;
• wherein address information of the reply calendar messages includes a first address associated with the office computer system and the mobile communications device, the first address indicating that the reply calendar messages originated from a mailbox account address;
• and
• transmitting the reply calendar messages from the office computer system to the plurality of calendar message senders.