Complete message delivery to multi-mode communication device

A method for complete message delivery to a multi-mode communication device, comprising:

• receiving a complete message addressed to a communication device;
• constructing a message notification corresponding to the complete message;
• sending the message notification to the communication device through a first communication channel;
• receiving a download request from the communication device;
• and
• sending the complete message to the communication device through a second communication channel.

A method for registering a communication device, comprising:

• receiving a registration message from a communication device, the registration message having a device identifier and a device status;
• parsing the registration message to determine the device identifier and the device status;
• querying a database to retrieve a database record corresponding to the communication device, the database record having a device status;
• and
• updating the device status in the database record.

A method for a communication device to register with a location server upon a trigger event, the method comprising:

• identifying a trigger event, the trigger event comprising a power on and an intersystem handoff;
• acquiring a network connection;
• and
• sending a registration message to a location server, the registration message comprising a device identifier and a device status.