Hello.
Best Call Centeric Solution is Vicidial, GoAutodial is majorly used for Voice Broadcasting and other things.
However if you want your Agents to login and take inbound or make outbound calls then Vicidial is any which ways better choice than GoAutodial.
For more information and assistance you can visit to www.voipopensource.com and speak to our experts.
thank you,
voIPopensource.com