Called me today but left no voice message?!

Didn’t answer after I picked up and said Hello...

I picked up the phone when they rang and no one spoke for 10 seconds and then they hung up

called today. Answered the phone. Silence for 15 seconds and then they hung up

No one there when call answered.

Call back no ringing tone

I answered but received no response.

I called the number again and they said they TS market research data collector

When I answered they hung up.

I called back, and the message said it was market research

Conducting some survey, ask to be put on the do not call list.

Caller: Telephone survey company

They were only interested in if I was working

Caller: Market research

Survey

i didn't answer the call, and they didn't leave a message

When I answered they hung up. Tried to call back no answer.

I answered a call from this number and music played, after a few seconds an automated voice said "you are the 6th caller in line". I hung up after that.

I rang once and got disconnected