Whenever connecting to conference call on moto g mobile. It is coming unable to connect ..
Is this mobile setting fault or sim operator fault.
Kindly let me know,do I need to enable this option from sim operator end's
1. Enter a number you wish to call and press the send key.
2. Once you have established the connection, press Options (right softkey), select 3-Way Call, and press OK.
3. When you hear a dial tone, enter the second number you wish to call and press the send key.
4. When you’re connected to the second party, press the send key again to begin your Three-Way Call.
Let me know if it works.