agents.conf + Linux Telephony Device

Hi all,
Two small questions:
1. Do I have to configure each of the vicidial agent as an asterisk agent in agents.conf?
2. MUST I have to have a Linux telephony device to use VICIDIAL? Can I use a SIP softphone to emulate that device?
Thanks,
Micky
Two small questions:
1. Do I have to configure each of the vicidial agent as an asterisk agent in agents.conf?
2. MUST I have to have a Linux telephony device to use VICIDIAL? Can I use a SIP softphone to emulate that device?
Thanks,
Micky