๐Phone Numbers
What are Phone Numbers?
Phone numbers in Ring Tonic are your inventory of tracking numbers that can be assigned to campaigns. Think of them as a pool of resources that you manage centrally and allocate to different marketing initiatives.
Understanding Phone Number Status
Phone numbers in your inventory can be in one of two states:
Assigned: Currently linked to a campaign and actively tracking calls
Unassigned: Available in your inventory but not linked to any campaign
Best Practice: Keep a few unassigned numbers in your inventory as reserves. This makes it faster to launch new campaigns since you can skip the number purchasing step.
Managing Your Phone Numbers
Viewing Your Inventory
Go to Phone Numbers in the main navigation
View your complete inventory with:
Total Numbers: All tracking numbers in your account
Active Campaigns: Numbers currently assigned to campaigns
Unassigned: Numbers available for assignment

The phone numbers table shows:
Phone Number: The actual phone number (formatted for readability)
Friendly Name: Optional custom label for easy identification
CNAM: Caller Name lookup status (On/Off) - shows whether CNAM is enabled for this number
Campaign: Which campaign the number is assigned to (or "Unassigned")
Type: Campaign type (DNI or Static)
Forwarding To: The business number where calls are routed
Last Call: When the number last received a call
Filtering and Searching
Use the built-in filters to find specific numbers:
Status Filter:
Assigned: Show only numbers linked to campaigns
Unassigned: Show only available numbers
Campaign Filter:
Filter by specific campaign to see all numbers assigned to it
Search:
Search by phone number to quickly locate a specific number
Search by friendly name to find numbers by your custom labels
Importing Numbers from Twilio
If you already own phone numbers in your Twilio account, you can import them into Ring Tonic's inventory.
How to Import Numbers
Go to Phone Numbers โ Import Numbers
Ring Tonic automatically loads all phone numbers from your Twilio account
Browse your numbers showing:
Phone number and friendly name
Voice/SMS/MMS capabilities
Current webhook configuration
Import status (whether already imported)
Select the numbers you want to import:
Click individual checkboxes to select specific numbers
Multiple selection allows bulk importing
Click Import to add them to your inventory
Important: Ring Tonic does not override the Voice URL when you import a number. It keeps working with its existing setup until you assign a campaign, ensuring zero call downtime during migration.

Editing Friendly Names
Friendly names help you identify numbers at a glance without memorizing phone numbers.
How to Set a Friendly Name
Go to Phone Numbers
Find the number you want to label
Click the Edit (pencil) icon
Enter a friendly name (e.g., "Downtown Billboard", "Facebook Ads Reserve", "VIP Hotline")
Click Update
Pro Tip: Use descriptive friendly names that indicate the number's purpose or source. For example: "Q4 Radio Campaign" or "LinkedIn Ads - Tech Audience"

Toggling CNAM Lookup
CNAM (Caller Name) lookup retrieves the caller's name from the phone carrier database when a call comes in. This can help identify callers before you answer.

How to Toggle CNAM Lookup
Go to Phone Numbers
Find the number you want to configure
Click the Toggle CNAM (user) icon
The CNAM status will toggle between On and Off
The CNAM column in the table shows the current status:
On (green badge): CNAM lookup is enabled for this number
Off (gray badge): CNAM lookup is disabled
Cost: CNAM lookup costs $0.01 per call. Only enable it on numbers where caller identification is valuable to your business.
Assigning Numbers to Campaigns
You can assign or reassign numbers to campaigns directly from the phone numbers page.
How to Assign a Number
Go to Phone Numbers
Find the number you want to assign
Click the Assign (link) icon
Select a campaign from the dropdown
Shows all campaigns in your workspace
Organized alphabetically for easy browsing
Review any warnings (if applicable)
Click Assign to confirm

Assignment Warnings
Ring Tonic shows warnings when an assignment could impact existing campaigns or active calls:
Warning 1: Moving Between Campaigns

If the number is already assigned to another campaign:
Type: Warning
Message: "This number will be removed from [Campaign Name]. That campaign may stop working if it's a static campaign."
Impact: The origin campaign loses this number
Critical for Static Campaigns: Static campaigns typically use a single number. Moving that number to another campaign will break the static campaign's call routing.
Warning 2: Active Visitor Session
If the number is currently displayed to a visitor on your website (DNI campaigns):
Type: Danger
Message: "This number is currently displayed to a visitor on your website. Unassigning it now may cause a failed call for that visitor."
Impact: Active website visitors may see an error if they call
Warning 3: Empty Campaign
If removing this number would leave the campaign with no numbers:
Type: Warning
Message: "Removing this number will leave [Campaign Name] with no numbers. Calls to this campaign will stop."
Impact: The campaign can't receive any calls

Unassigning Numbers
You can also unassign a number to return it to your available inventory:
Click the Assign (link) icon on the number
Select "Unassigned" from the dropdown
Review warnings (same warnings apply as above)
Click Unassign to confirm

Deleting Numbers
When you no longer need a phone number in Ring Tonic, you can delete it from your inventory. You have the option to also release the number from your Twilio account.

How to Delete a Number
Go to Phone Numbers
Find the number you want to delete
Click the Delete (trash) icon
Choose whether to also release from Twilio:
Keep in Twilio (default): The number is removed from Ring Tonic but remains in your Twilio account. You can re-import it later.
Also release from Twilio: The number is permanently deleted from both Ring Tonic and your Twilio account.
Click Delete to confirm
Warning: If you enable "Also release from Twilio", the action is permanent and cannot be undone. The number will be:
Deleted from Ring Tonic
Released from your Twilio account
No longer associated with your account
Potentially reassigned to another Twilio customer
Make sure you really want to release the number before enabling this option.
Tip: If you're unsure, keep the default option (don't release from Twilio). You can always release the number from your Twilio console later.
Transferring Numbers Between Workspaces
If you own multiple workspaces that share the same Twilio account, you can transfer phone numbers between them.

Requirements for Transfer
You must be the owner of both workspaces
Both workspaces must use the same Twilio account (the phone number must exist in the destination workspace's Twilio account)
How to Transfer a Number
Go to Phone Numbers
Find the number you want to transfer
Click the Transfer (arrow) icon
Select the destination workspace from the dropdown
Click Transfer to confirm
What Happens During Transfer
When you transfer a phone number:
The number is unassigned from any campaign in the current workspace
The Twilio webhook is set to parking (calls won't be routed until assigned to a new campaign)
The number appears as unassigned in the destination workspace
All call history remains associated with the original workspace
Important: After transfer, you'll need to assign the number to a campaign in the destination workspace before it can receive calls.
Common Questions
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