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To receive calls, your agent needs a phone number. This page covers provisioning, importing, and assigning phone numbers.

Overview

Phone numbers connect your voice agent to the telephone network. Callers dial the number, and the call routes to your agent.

Getting a Phone Number

Option 1: Provision New

Get a new number directly in Retone:
  1. Go to Phone Numbers in the sidebar
  2. Click Provision New
  3. Select country and area code
  4. Choose from available numbers
  5. Click Provision

Option 2: Import Existing

Bring your own Twilio number:
  1. Go to Phone Numbers
  2. Click Import Existing
  3. Enter your Twilio credentials
  4. Select the number to import
  5. Click Import

Option 3: Manual Entry

Add any SIP-compatible number:
  1. Go to Phone Numbers
  2. Click Manual Entry
  3. Enter the phone number
  4. Configure SIP credentials
  5. Click Add

Assigning to an Agent

Connect a phone number to your agent:
1

Go to Phone Numbers

Navigate to Phone Numbers in the sidebar
2

Select a Number

Click on the phone number you want to assign
3

Choose Agent

In the configuration panel, select your flow agent from the dropdown
4

Configure Settings

Set any number-specific options (see below)
5

Activate

Click Activate to enable the number

Phone Number Settings

When assigning a number, configure:

Business Hours

Set when the agent accepts calls:

After Hours Handling

What happens outside business hours:

Managing Phone Numbers

Viewing Numbers

The Phone Numbers page shows:
  • Phone number
  • Assigned agent
  • Status (active/inactive)
  • Call statistics

Changing Assignment

To reassign a number:
  1. Click on the number
  2. Select a different agent
  3. Save changes
The change takes effect immediately.

Deactivating

To stop receiving calls:
  1. Click on the number
  2. Toggle Active off
  3. Calls to this number won’t be answered

Multiple Numbers

You can have multiple phone numbers:

SIP Configuration

For advanced users bringing their own SIP trunk:

Testing SIP

After configuration:
  1. Click Test SIP
  2. The system attempts a connection
  3. Success/failure status displayed
  4. Fix any issues and retest

Phone Number Best Practices

Use Local Numbers

Local area codes increase answer rates.

Set Business Hours

Match your actual availability.

Test Before Launch

Call the number yourself to verify it works.

Monitor Usage

Track call volume and patterns.

Troubleshooting

Publishing

Activate your agent

Test Call

Test before going live

Flow Canvas

Build your agent flow