This invention discloses a method for realizing mutual access among mobile terminals including: the network side assigns an IP address for each activated request mobile terminal and registers the corresponding relation between the user number and the IP address of each terminal, after the activated first terminal sends an address examine request containing the user number of a second terminal, the network side judges if the second terminal is at the activated state, if so, it gets its IP address based on the register and sends said IP address to the first terminal, which can use it to access the second terminal to realize mutual access by the network. |