How can i make that on my 9210 that only people who are on my sim card list can call me, and all the other people who are not on the list will either get a busy tone or will be automatically cut off after 1 dialtone?
How can i make that on my 9210 that only people who are on my sim card list can call me, and all the other people who are not on the list will either get a busy tone or will be automatically cut off after 1 dialtone?