Unblock Outgoing Calls [new]

: Go to Settings > Phone > Show My Caller ID . If this is toggled off, some carriers or recipients may block your calls. Ensure it is turned On .

Here is a comprehensive guide on how to identify the cause and unblock outgoing calls on any device. Check Your Carrier Status and Plan unblock outgoing calls

Some GSM carriers allow you to unblock calls using "Star Codes": : Go to Settings > Phone > Show My Caller ID

Tap Disable FDN (you will likely need your SIM's PIN2 code). Review Device Call Barring Settings unblock outgoing calls