De bijbehorende foutmelding vanuit Nmbrs is:
| Type | Text |
|---|---|
| Error | 3001: Call not available in your country |
| Cause | The call you are requesting is not available in your country |
| Solution | Check the documentation to see which calls are available for your country |
Zie https://support.nmbrs.com/hc/en-us/articles/360013526891-Nmbrs-API-error-codes