The caller with the number +644233838471 has been making repeated calls to an Australian number, with no message left behind. This pattern of behavior, with multiple calls in a short span of time, suggests that the caller may be trying to reach someone urgently or is possibly a telemarketer. The fact that the calls are coming from different New Zealand numbers could indicate a spoofing attempt, where the caller is intentionally hiding their true identity. Overall, the intentions of the caller are unclear, but their actions appear suspicious.
An Australian line rang, but no message was left; I've seen three similar calls from New Zealand over two days, each from a different number.