Batch Calling Campaigns

Launch AI calling campaigns to multiple numbers. Schedule calls, upload contacts via CSV, and automate conversations.

Create outbound calling campaigns in 3 simple steps. Define your campaign name and caller ID, choose when to start (immediately or scheduled), and add phone numbers manually or via CSV import. CSV uploads support per-call variables like name and company for personalized AI conversations. Maximum 100 numbers per batch.

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Key Highlights

What Makes This Feature Special

Discover the powerful capabilities that drive real business results

3-Step Campaign Wizard

Guided workflow: Campaign Details → Schedule → Phone Numbers. Step validation ensures everything is ready before you launch. Edit any step using the Back button without losing data.

Flexible Scheduling

Start Immediately to queue calls within seconds, or Schedule for Later with exact date, time, and timezone. Optimizes answer rates by calling during business hours in the recipient's region.

CSV Bulk Import with Variables

Upload contacts in bulk using CSV. Columns like name, company, or appointment_time become per-call variables. AI injects them into prompts for personalized conversations at scale.

Personalized AI Conversations

Each call uses CSV data to start naturally: 'Hello {{name}}, following up on your January webinar inquiry.' No generic scripts. Every caller hears a tailored message.

How It Works

Get started with this feature in a few simple steps

Everything you need to transform your voice operations from start to finish

Batch Call 3-Step Wizard
Step 01

3-Step Campaign Wizard

Create batch calling campaigns in a guided 3-step workflow: Campaign Details, Schedule, and Phone Numbers. Step validation ensures everything is complete before you launch. Use the Back button to revisit any step without losing data.

  • Campaign Details, Schedule, Phone Numbers
  • Step validation before submission
  • Back button to edit without data loss
  • Clear progress indicators
Batch Call Scheduling
Step 02

Flexible Scheduling & Timezone Support

Choose Start Immediately to queue calls within seconds, or Schedule for Later with exact date, time, and timezone. Timezone dropdown is searchable and defaults to your browser's setting. Schedule during business hours for best answer rates.

  • Start Immediately option
  • Schedule for Later with date/time
  • Searchable timezone dropdown
  • Optimize for recipient's business hours
CSV Import with Variables
Step 03

CSV Bulk Import with Per-Call Variables

Upload contacts in bulk using CSV. The first column (or phone_number) contains numbers; all other columns become per-call variables. AI injects variables like name, company, or appointment_time into prompts for personalized conversations at scale.

  • CSV format: phone_number,name,company
  • Per-call variable injection
  • Download pre-formatted template
  • Maximum 100 numbers per batch
Manual Number Entry
Step 04

Manual Number Entry & E.164 Support

Add phone numbers one by one using the input field. Numbers must be in E.164 format with country code (e.g., +1 for US, +44 for UK). Perfect for quick tests, small lists, or adding numbers alongside CSV imports.

  • Add numbers manually
  • E.164 format required
  • Country code validation
  • Quick tests and small lists
Endless Possibilities
Scale your voice operations without limits
Benefits

Transform Your Business

Discover the measurable impact and advantages that drive real business growth

Launch outbound campaigns in minutes with guided wizard

Schedule calls for optimal answer rates

Import contacts via CSV with per-call variables

Personalize conversations using CSV data

Manual number entry for quick tests or small lists

E.164 format support for international numbers

Maximum 100 numbers per batch (contact support for higher limits)

Edit any step before submitting without data loss

Solutions

Industry Solutions

Discover how this feature powers tailored solutions across industries

AI Sales Automation 24/7 Lead Qualification & Outreach

Build a Voice AI agent for your sales team. Handle lead qualification, outreach campaigns, and appointment setting around the clock.

Explore Solution

AI Voice Automation for BPO Companies Scale Operations & Reduce Costs

Build a Voice AI agent for your BPO operations. Handle customer service, data collection, and support tasks around the clock.

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AI Insurance Automation 24/7 Lead Gen, Claims & Sales

Build a Voice AI agent for your insurance business. Handle lead generation, claims processing, and sales around the clock.

Explore Solution

AI Recruitment & Staffing Automation 24/7 Screening, Matching & Outreach

Build a Voice AI agent for your recruitment firm. Handle candidate screening, matching, and outreach campaigns around the clock.

Explore Solution
Customer Success

See How Our Customers Use This

Real businesses getting real results with this feature. Read their stories.

How a Spanish Telecom Operator Runs 500+ Daily Outbound AI Calls on Yeastar with 5 Languages

A CNMC-registered Spanish telecom operator deployed 10 VoiceInfra AI agents on Yeastar PBX, running 500+ outbound calls daily with 30%+ transfer rate across Spanish, Arabic, English, French, and Portuguese

Read Success Story

How a National Medical Waste Company Runs AI Cold Calling from a Twilio Number

A national medical waste management company brought their Twilio phone number to VoiceInfra and built an AI outbound calling agent that cold calls healthcare businesses about their medical waste disposal services

Read Success Story
Technical Excellence

Technical Specifications

Enterprise-grade infrastructure built for reliability and scale

Guided Wizard

3-step campaign creation

Flexible Scheduling

Immediate or timezone-based

CSV Import

Per-call variable injection

E.164 Format

International number support

FAQ

Frequently Asked Questions

Find answers to common questions about this feature

Maximum 100 phone numbers per batch call. If you need to call more, split into multiple batches or contact support for higher limits.

When you upload a CSV, columns like name, company, or appointment_time become variables. The AI uses these variables in each call to personalize the conversation. Example: 'Hello {{name}}, how is {{company}} doing?'

Yes. When scheduling, choose a date, time, and timezone from the searchable dropdown. It defaults to your browser's timezone. Make sure it matches the recipients' region for appropriate call times.

Phone numbers must be in E.164 format, which includes the country code. Examples: +1234567890 (US), +441234567890 (UK), +911234567890 (India).

Yes. You must have at least one phone number configured in the Phone Numbers page. This number will be used as the caller ID (From Number) for the batch campaign.

No. CSV upload replaces all existing numbers in the current step. If you need to add more numbers, use the manual input field or create a new batch campaign.

Start Immediately queues the campaign and calls begin within seconds of submission. Schedule for Later starts calls automatically at your chosen date, time, and timezone.

Click the download icon in the Phone Numbers step. You'll get a pre-formatted CSV with example data and the correct column structure for phone numbers and variables.

Yes. Use the Back button to revisit any step (Campaign Details, Schedule, or Phone Numbers). Your data is saved, so you can make changes without losing progress.

The AI will attempt to connect based on your campaign settings. Failed calls are logged in your dashboard. You can review outcomes, retry specific numbers, or adjust your list for the next batch.
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