Turn on the phone.

Enter #000000##953739# [STO] 99 [STO] [STO]

Power cycle the phone: [PWR] to turn it off, [PWR] to turn it back on.

Select NAM 1 through 3

Enter System ID [STO]

Enter MIN [STO]

Enter Group ID [STO]

[SEND] to save NAM just programmed.

[END] to exit programming.

[END] again, or, if you want to program additional NAMs, [ENTER]