## Trial mode limitations

### Activity

These activities are subject to the indicated restrictions during Trial Mode.

| Activity | Limitation |
| --- | --- |
| Make and receive calls | Only to and from purchased and verified numbers |
| Send and receive messages | Only to and from purchased numbers |
| SIP endpoints | SIP endpoints can register, but you can’t place outbound calls or receive traffic on a Domain App |

### Resources

These Resources are limited to the indicated maximum count during Trial Mode.

| Resource | Limitation |
| --- | --- |
| Total phone numbers | `1` |
| Simultaneous queued calls | `10` |
| Simultaneous queued messages | `10` |
| Verified caller IDs | `10` |

### Other

- No international calling or SMS
- DIDs cannot be released for 30 days