21813: Port Order: Missing Authorized Signatory contact phone number

You didn't specify the contact phone number of the person who owns the porting telephone number and is authorized to sign the associated Authorization Document.

• The authorized signatory's contact phone number was not provided
• The phone number field was left blank when submitting the port order
• The phone number provided is invalid or incomplete

• Provide a valid contact phone number for the authorized signatory
• Ensure the phone number includes country code and area code (e.g., +1-555-123-4567)
• Verify the phone number is correct and reachable
• Resubmit the port order with the complete phone number