I Claimed Android's Call Log Could Confirm a Call Happened. I Was Wrong.
This is a correction, not a new idea. Worth writing up anyway, since the wrong claim was specific enough to be worth un-making in public rather than quietly dropping it. The claim In a thread about StareBrain's unresolved-outcome problem (an action dispatches, the confirmation doesn't come back, and the system has to decide what it knows), someone asked whether phone calls have any equivalent to…
A reported claim suggested that Android's call log could confirm whether a call had been answered by a person. However, this was incorrect. According to the source, checking the call log after a call does not definitively prove that a person picked up the call. The call log only provides information about the call's type and duration, but it cannot differentiate between a live conversation and an answering machine.
The source explains that the VOICEMAIL_TYPE in the call log indicates a voicemail message left for the device, and not whether the call was answered by a person. Consequently, a 40-second outgoing call could be either a conversation or a voicemail greeting, and the call log does not provide evidence to distinguish between the two.
The article concludes that the specific claim that the call log could confirm a call was answered is false. The proper way to determine if a person received a message is to ask the recipient directly or inspect the actual audio, which would require a different approach than simply reading a log field.
Written by urgent.news from Dev.to's reporting — not their text. Machine-written — may contain errors; check the original before relying on it.
