Some carriers allow you to dial these codes to see if name forwarding is enabled and which quantity your cellphone is at present forwarding calls to — both whenever you’re busy (*#67#) or for all calls (*#21#). You’ll be able to change it to ahead calls to a different quantity, similar to your private home, workplace, or a third-party answering service, in settings.
On iPhone, to alter the forwarding quantity, go to Settings > Telephone > Name Forwarding. On Android, the steps differ, however usually you will open the Telephone app, faucet the three-dot menu, go to Settings > Calling accounts, choose your lively SIM, after which search for the decision forwarding possibility.
Should you see “Failed/Error” as an alternative of “Enabled/Disabled” displayed after getting into these codes — and you do not see name forwarding in your settings — it doubtless means your service does not help the characteristic in your plan.