How to Choose the Right Dialer for Your CallHub Campaign

Dialers control how fast calls are made, how many calls are attempted in parallel, and how agents are connected to live contacts. Choosing the right one depends on your call list quality, campaign timeline, number of agents, and how much screening or personalization you want. This guide explains the different dialer types so you can pick what works best for your outreach strategy.

Power Dialer

The Power Dialer gives agents complete control over pacing. When they are ready, they click the “Next Call” button, and the system dials the next contact from the list. This makes it ideal for smaller campaigns or when conversations require personalization. Since the agent decides when to move forward, they have enough time to take notes, review details, or prepare before the next call.

AutoDialer

With the AutoDialer, the system automatically dials numbers when agents are available, reducing idle time and increasing the pace of calling. Depending on the ratio selected, the AutoDialer works differently:

• 1:1 ratio → One number is dialed for every free agent.

  • Ensures agents are only connected to one call at a time.

  • Provides a balance between speed and personalization.

  • Best suited for campaigns where conversations still need attention to detail but outreach speed is important.

• 2:1 ratio → Two numbers are dialed for each free agent.

  • Increases the chance of reaching a live contact quickly.

  • If both calls are answered, the system connects the agent to the first one, and the other call is dropped.

  • This improves efficiency but may result in occasional unanswered connections.

• 3:1 ratio → Three numbers are dialed for every free agent.

  • Maximizes the likelihood of connecting with a live contact almost instantly.

  • Useful for large-scale outreach where speed is more important than personalization.

  • However, it increases the risk of dropped calls if multiple contacts answer simultaneously, which could affect contact experience.

The AutoDialer is best used in medium to large campaigns where agent productivity is a priority. Organizations often use it for voter outreach, membership drives, or event reminders, where reaching more people quickly outweighs the need for highly personalized conversations.

Predictive Dialer

The Predictive Dialer uses algorithms to dial numbers ahead of time. It factors in:

• Agent availability

• Call pickup rates

• Average handling time

• Drop rates

By analyzing these elements, the predictive dialer minimizes idle time and maximizes talk-time efficiency. It works best for large campaigns with clean call lists and multiple agents available. For smaller lists or campaigns with poor data quality, results may not be as effective.

Preview Dialer

The Preview Dialer allows agents to review contact details before initiating the call. They can check:

• Past interactions

• Notes from earlier calls

• CRM data

Once prepared, the agent decides when to place the call. This makes it ideal for high-value or sensitive conversations, such as fundraising, donor engagement, or outreach to VIP contacts, where context and personalization are crucial.

Dialer Comparison Table