We can use this option by activating call forwarding
Although every mobile company has its own settings and every network has its own codes yet the facility of call forwarding which is a phone feature that enables users to forward or redirect incoming calls to any alternate number, which may be either a land line or cellular number. This facility can be availed by going to the Setting menu, then call setting and looking for call forwarding option. Once you get to the call forwarding option, select the destination number where you can divert the calls received on your number.