Methods and apparatuses for processing an instant message from a source wireless communication device to a destination device are described herein. In one aspect of the invention, an exemplary method includes receiving the instant message from the source wireless communication device, the instant message having a source wireless communication identifier, a destination instant messenger identifier, and data contents; extracting the source wireless communication identifier, the destination instant messenger identifier and the data contents from the instant message; retrieving a source instant messenger identifier corresponding to the source wireless communication identifier; binding the source instant messenger identifier with the source wireless communication identifier; and transmitting the data contents with the source instant messenger identifier to the destination device over a communication network, based on the destination instant messenger identifier. Other methods and apparatuses are also described.