Limited roaming method and temporary number application method in code division multiple access intelligent network

The invention discloses a limited roaming method in a code division multiple access intelligent network. The method allows a user to become a limited roaming user by applying a temporary number in a target roaming region and comprises the step that after receiving a call request from the user, an SCP determines the existence of a limited roaming user in the number of a calling/called user of a call, replaces a calling/called number with the temporary number applied by the limited roaming user and instructs a service switching point SSP to connect the communication of the user. The invention also discloses a temporary number application method, which comprises the following steps that: after receiving a temporary number application request from the user, the SCP performs the authorization of the user and instructs the HLR of the target roaming region of the user to modify the limited roaming records of the HLR and to feed the result of the modification back to the SCP after the user passes the authorization; and the SCP modifies the limited roaming user records and original bill records of the SCP and feeds a temporary number application result back to the user. The method ensures the communication of the user in a region where no roaming service is supplied.