As of 5PM, the vendor states that the issue is resolved.

━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
Previous Description (April 13, 2022 10:24):

Calls to some departmental telephone numbers are currently failing. This includes, but may not be limited to:
- Human Resources (613-533-2070)
- Continuing Teacher Education (613-533-2387)
- Faculty of Education Student Services (613-533-6205)

We are working with the vendor to resolve this issue.