Overview

Making calls with OpenPhone is simple and intuitive across all platforms. Whether you’re using the mobile app, web browser, or desktop application, you can connect with customers and colleagues instantly while maintaining your professional business identity.

Getting started with calls

OpenPhone offers multiple ways to make calls depending on your preferred platform:
Launch the OpenPhone web app or desktop application to access powerful calling features.

Method 1: Quick dial

Press C or click the dialer icon at the top of the page. A pop-up window appears where you can:
  • Type a phone number directly
  • Search for a contact by name
  • Select from recent conversations
Call button in conversation view

Method 2: From a conversation

Open any conversation and click the phone icon at the top to call that contact.
Quick dial interface on desktop

Managing audio settings

During calls, you can adjust your audio settings:
  1. Click the settings gear (⚙️) during an active call
  2. Select your preferred microphone and speaker
  3. Changes apply immediately without dropping the call
Audio settings during a call

Calling from multiple numbers

If you manage multiple phone numbers in OpenPhone, you can easily switch between them before making calls.
Select the number you want to use from the “Inboxes” section in the left sidebar:
Inboxes section showing multiple phone numbers
The selected number will appear on the recipient’s caller ID.

Caller ID and appearance

When you call someone through OpenPhone, they see:
  • Your OpenPhone business number
  • The city where your number is registered
  • Your caller ID name (if configured)
How your call appears on recipient's phone
Recipients don’t need OpenPhone installed - they receive calls just like they normally would from any business phone.

Call quality considerations

OpenPhone delivers crystal-clear call quality that depends on your internet connection strength. On a reliable connection, you’ll experience:
  • Professional-grade audio quality
  • No noticeable difference from traditional phone calls
  • Consistent performance across all devices
For optimal call quality:
  • Use a strong WiFi or cellular data connection
  • Close bandwidth-heavy applications during calls
  • Consider using a headset for better audio clarity

Platform-specific features

Keyboard shortcuts

Speed up your workflow with these shortcuts:
ShortcutAction
COpen quick dial
NStart new text message
/Navigate conversations
EnterReply to selected conversation
DMark conversation as done
UMark conversation as unread

Advanced audio controls

  • Select specific input/output devices
  • Adjust volume levels during calls
  • Test audio before making important calls

Additional calling features

Enhance your calling experience with:
  • Call recording: Record important conversations at the touch of a button
  • Call transfer: Seamlessly hand off calls to team members
  • Conference calling: Add multiple participants to your calls
  • Voicemail: Professional greetings when you can’t answer

FAQs