How To Fix T5003 - Telephone number could not be converted to canonical format

SAP Error Message - Details

• Message type: E = Error

• Message class: T5 - SAPphone: Messages for telephony

• Message number: 003

• Message text: Telephone number could not be converted to canonical format

What causes this issue?

The telephone number could not be converted into canonical format.

How to fix this error?

Please change the number and ensure that the code and the main number
are clearly separated, e.g. in the following formats:
1. [phone]
2. 012/3456789
3. 012.3456789

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message T5003 - Telephone number could not be converted to canonical format ?

  The SAP error message T5003, which states "Telephone number could not be converted to canonical format," typically occurs when there is an issue with the format of a telephone number in the system. This error is often encountered in modules that handle employee data, such as Human Resources (HR) or Customer Relationship Management (CRM).
  Cause:
  
  Invalid Format: The telephone number entered does not conform to the expected format defined in the system. This could include missing digits, incorrect country codes, or the use of invalid characters (like letters or special symbols).
  Configuration Issues: The system may not be properly configured to recognize the format of the telephone numbers being entered, especially if the format varies by country.
  Data Entry Errors: Users may inadvertently enter incorrect data, such as spaces, dashes, or parentheses that are not recognized by the system.
  
  Solution:
  
  Check the Format: Ensure that the telephone number is entered in the correct format. The canonical format typically requires a specific structure, such as including the country code and omitting any special characters.
  Review Configuration Settings: If you have access to the configuration settings, check the settings for telephone number formats in the relevant SAP module. Ensure that the formats for different countries are correctly defined.
  Data Validation: Implement data validation rules to ensure that users can only enter telephone numbers in the correct format. This can help prevent future errors.
  Use Standard Formats: If possible, standardize the format of telephone numbers across the organization to minimize discrepancies.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on the expected format for telephone numbers in your version of SAP.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide updates and patches that could resolve the issue.
  User Training: Provide training for users on how to correctly enter telephone numbers and the importance of adhering to the required formats.
  Testing: After making changes, conduct testing to ensure that the issue is resolved and that the system can now accept telephone numbers without generating the error.
  
  If the problem persists after following these steps, it may be necessary to consult with your SAP support team or a technical consultant for further assistance.