Security Code over Voice Message Does Not Support Certain Codes

Symptom:

Users do not receive security codes that have more than eight characters when the Security Code over Voice Message option is selected.

Users see the following error message:

Error: An error has occurred while sending the Security Code. Please try again later.

Solution:

To avoid this issue, use one of the following workarounds:

Set the security code length to eight characters or less in Security Code Profile
Select an option other than Security Code over Voice Message. For example, Security Code over Email supports security codes that include more than eight characters.