When I pick up the phone that is no answer very suspicious

Same, called 3 times today

They just keep calling and i keep letting it go to voicemail 4 Calls today...No Voicemail left....

Called back and just a ringtone

Caller: Unknown

Called 3 times in 5 minutes, I didn't answer and they left no message

Caller: Electricity

Called at 5:30 pm. On my MILs mobile. Not the first time. Regarding Electricity and did not immediately identify themselves. We hung up on them.

did not answer no on my phone list

Scam

Caller: (03) 9088 8657

called me 4 times in one day, I refuse to answer.

called me 5 times in the spam of 6 hours, only rang for about 3 or 4 times then stopped with no message left or anything

Keeps leaving voicemail after voicemail and sounds like a call centre in the background.

Three calls within an hour. Didn't answer and no message left.

Same here, and strange ring tone (like bells) if callback.

unsolicited persistent calls-no message left

electrical broker trying to sell product