METHOD AND APPARATUS FOR MESSAGE ROUTING BASED ON IP

摘要

A message routing method, system and apparatus based on IP. The method includes the following steps: the hold subscriber server/ hold location register HSS/ HLR of the called party forwards the indication message to the message route entity, the message route entity forwards the received message to the IP message gateway of the called party based on the indication message, the IP message gateway requests the route message from the HSS/HLR after receiving the message, and routes the received message based on the route message obtained by requesting.