Called three times in one day, I answered the second call and they just hung up

This number was displayed on my phone - I didn’t answer it as I didn’t recognise it. What’s more - it’s longer than a normal number.

I didn't answer but my phone said it was from New Zealand

I now have Telstra Call Guardian and if caller does not leave name the call is not put through to me. If the caller leaves a name I get a ring and then I hear the name I can then answer or reject.
This number came up on my missed calls but my phone did not ring so I did not waste time on a nuisance call.
I can now block this number and when they ring back the caller will be told the call is block.
I had a call from this number before I switched Call Guardian and the person said the were from Telstra regarding problems with my internet. They hung up when I asked for their Telstra I D

I'm in New Zealand got called today.
"global company" apparently.
Scam to 'fix' my computer, run>eventvwr. hang up. Barely understandable, Indian woman by the sounds of it.

Anyone recognise this number, showing as 064244652888? I didn’t answer it, as it seemed a rather long number.