Phone call answers — what your phone is telling you

Plain explanations for the things phones do without telling you why — cancelled calls, restricted numbers, withheld caller ID and the rest.

• What does “cancelled call” mean?

  A cancelled call is an outgoing call that ended before anyone answered it. In almost every case it means the person calling hung up before the call connected. It shows in the call log with no duration, because no conversation ever happened — and on its own it is not a sign that you have been blocked.

• What is a restricted call?

  A restricted call is an incoming call where the caller has deliberately hidden their number, so your phone has nothing to display. It is not a fault and not a specific company — it is a setting the caller chose, either for that one call or for every call they make. Depending on your handset and carrier, the same thing may appear as “Private”, “No Caller ID”, “Blocked”, or “Withheld”.

• What does “call failed” mean?

  “Call failed” means the network could not set the call up in the first place. Unlike a cancelled call, which you ended, a failed call never got far enough to ring. It is almost always a connection or account problem on one end rather than anything the person you are calling did.

• Why do calls go straight to voicemail?

  A call goes straight to voicemail when the network cannot deliver it to a ringing phone, so it diverts immediately instead. The usual reasons are mundane: the phone is off, has no signal, or is set not to ring. Being blocked produces the same result, which is why this is such an anxious search — but the behaviour on its own does not tell you which.

• Can you call back a “No Caller ID” number?

  In almost all cases you cannot call back a No Caller ID number, because your phone was never given a number to store. The caller withheld it deliberately and the network passed the call through without it. There is no setting on your handset that recovers it afterwards, and services claiming to reveal it are not able to.

• How to forward calls

  Call forwarding tells the network to send calls for your number to a different one. You can set it to divert everything, or only when you are busy, unreachable, or do not answer. It can be turned on from your handset's settings on most phones, or with short carrier codes that work even on basic handsets.

• What does “Spam Risk” mean on an incoming call?

  “Spam Risk” — and its cousins “Scam Likely”, “Potential Spam” and “Telemarketer” — is a label your carrier attaches to an incoming call based on its own analytics. It is a prediction, not a fact. Most flagged calls are genuinely unwanted, but legitimate numbers get caught too, which is why the label warns rather than blocks.