Nextiva is the best auto dialer software for most businesses because it’s a complete VoIP phone solution that’s packed with robust features to improve your outbound call workflow. It seamlessly integrates with the world’s most popular CRMs, including HubSpot, Salesforce, and Zendesk. Once integrated, you can dial directly from your CRM.  In addition to the auto-dial features, Nextiva is a complete business communication suite that supports inbound calls, video conferencing, internal communication, and more.