# 21813: Port Order: Missing Authorized Signatory contact phone number

Log Level: ERROR

## Description

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.

### Possible causes

* 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

### Possible solutions

* 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