Custom field possibilities

Hello team,
I have a very quick question.
As we know we can dial with lead_id no as well with vicidial.
I want to ask is it possible to dial with any customer field or source id field?
please help me to do this possible.
Thanks
I have a very quick question.
As we know we can dial with lead_id no as well with vicidial.
I want to ask is it possible to dial with any customer field or source id field?
please help me to do this possible.
Thanks