Calling Number

Available in Classic and VPC

The Calling Number section explains how to register and manage calling numbers for SMS message sending.

Register outgoing numbers

Before sending SMS messages, you must first register a calling number. You can register a calling number through document verification.

Register calling number (document verification)

To register a calling number via document verification:

1. In the NAVER Cloud Platform console, navigate to Menu > Services > Application Services > Simple & Easy Notification Service.
2. Navigate to SMS > Calling Number.
3. Select the project in which you want to register a calling number, then click [Register calling number].
4. Review the calling number document verification request popup, then agree to the terms and conditions.
5. Enter the calling number information and upload the required documents.
   • Name (corporate name): Enter the owner or corporate name of the calling number.
   • Calling number: Enter the calling number.
     • Input digits only, excluding the "‑" character.
   • Upload required documents: Click [Add file] to upload the required documents.
     • You can upload only files in PDF, JPG, or PNG format.
     • You can upload files only up to a total of 10 MB.
   • Request details: Enter the information to be provided.
6. Click [Apply].
   • Your application is completed, and the system moves you to the [View calling numbers] interface.
   • The NAVER Cloud Platform administrator reviews and approves the authentication request; this can take approximately 3-4 business days. Once registration is complete, you can use the calling number immediately when sending SMS.

Edit calling-number registration request information

If you applied to register a calling number via document verification, you can edit your application information.
To modify your calling number registration request information:

1. In the NAVER Cloud Platform console, navigate to Menu > Services > Application Services > Simple & Easy Notification Service.
2. Navigate to SMS > Calling Number.
3. Select the project with the application you want to modify, then click the [By request] tab.
4. Click the row for the calling number whose information you want to update, then click [Resubmit].
5. When the document verification popup appears, apply the changes and click [Apply].
   • The system applies your changes.

View calling numbers

To view registered calling numbers:

1. In the NAVER Cloud Platform console, navigate to Menu > Services > Application Services > Simple & Easy Notification Service.
2. Navigate to SMS > Calling Number.
3. Select the project whose calling numbers you want to view, then click the [By number] tab.
   • Click a calling number row to view its detailed information.
   • You can click Attachment to download them. However, the system marks expired attachments with a strikethrough and no longer allows you to download the files.
   • If the "processing status" is "additional documents required" or "canceled", click [Resubmit] in the [By request] tab to Edit the request and submit it again.

Renew calling number verification

To renew the verification of a registered calling number if it has expired or needs to be renewed:

1. In the NAVER Cloud Platform console, navigate to Menu > Services > Application Services > Simple & Easy Notification Service.
2. Navigate to SMS > Calling Number.
3. Select the project with the calling numbers you want to renew, and click the [By request] tab.
   • Click a row in the by-request list to view detailed information.
   • If your authentication requires renewal or has expired, click [Renew authentication] to open the Request calling number authentication renewal page. Attach the "Certificate of Telecommunications Service Use" issued within 1 month from the application date, and submit your request. However, if all previously registered files have been deleted, submit the registration documents in line with the cases described under "Register calling numbers" above.

Delete calling numbers

To delete a registered calling number:

1. In the NAVER Cloud Platform console, navigate to Menu > Services > Application Services > Simple & Easy Notification Service.
2. Navigate to SMS > Calling Number.
3. Select the project containing the calling number you want to delete, then click either the [By calling number] or the [By request] tab.
4. Click the row or request that includes the calling number you want to delete, then click [Delete].
5. When the delete confirmation popup appears, review the content and click [Delete].
   • [By calling number] tab: The system deletes all calling numbers included in the selected request.
   • [By request] tab: The system deletes the selected calling number and removes it from the list.