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Overview

OpenPhone’s Slack integration sends real-time notifications to your chosen Slack channels whenever your OpenPhone numbers receive calls, messages, or voicemail. Keep your team informed and enable quick responses to customer communications.
Only Admins and Owners can configure Slack integrations for phone numbers.

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Setting up Slack integration

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Connection process

To connect OpenPhone to Slack:
  1. Navigate to Settings → Phone Numbers
  2. Select the phone number to integrate
  3. Scroll to Integrations section
  4. Click Connect to your Slack
  5. Authorize OpenPhone in your Slack workspace
  6. Choose target Slack channel
  7. Configure notification preferences
Selecting phone number for Slack integration

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Authorization and setup

Slack workspace permissions:
  • Grant OpenPhone permission to post messages
  • Select specific channel for notifications
  • Configure which team members can see notifications
  • Set up appropriate channel permissions
Slack integration setup interface

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Notification configuration

Available event types:
  • Text messages: Real-time message notifications
  • Missed calls: Alerts for unanswered calls
  • Voicemail: New voicemail notifications
Customization options:
  • Toggle specific event types on/off
  • Choose different channels for different events
  • Configure notification timing and frequency
Slack notification preferences configuration

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Slack notification format

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How notifications appear

Notification content includes:
  • Event type (call, message, voicemail)
  • Sender/caller information
  • Message content or call details
  • Timestamp
  • Quick action buttons
OpenPhone notifications in Slack channel

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Message formatting

Text message notifications:
  • Complete message content
  • Sender identification
  • OpenPhone number that received message
  • Thread organization for conversations
Call notifications:
  • Caller identification
  • Call duration (if answered)
  • Miss call indicators
  • Voicemail status
Voicemail notifications:
  • Caller information
  • Voicemail duration
  • Transcription (when available)
  • Direct playback options

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Managing Slack integration

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Updating settings

To modify Slack notifications:
  • Return to phone number integration settings
  • Adjust event types and channels
  • Change notification frequency
  • Update channel permissions

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Best practices

Effective Slack integration:
  • Use dedicated channels for OpenPhone notifications
  • Configure appropriate team access
  • Set notification preferences to avoid channel noise
  • Use threading for related conversations
Channel organization:
  • Create separate channels for different phone numbers
  • Use descriptive channel names
  • Set appropriate channel purposes
  • Configure channel notification levels

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Troubleshooting

Common setup issues:
  • Verify Slack workspace permissions
  • Check channel access for OpenPhone app
  • Confirm notification settings are enabled
  • Test with sample notifications
Performance optimization:
  • Monitor channel message volume
  • Adjust notification types based on team needs
  • Use Slack’s notification settings
  • Regular review of integration effectiveness