I tried to call back the number (02) 8007 4103 but the person who picked up the phone disconnected the call

I answered call, Indian caller after a few seconds delay, he tried to get me to confirm my name and if I was the home owner which I refused to confirm or deny, I kept asking where he was from which he refused to answer making him angry as he kept trying to confirm my name then he tried to ask why I want to know where's he from, so I hung up in his ear while he was asking and I've blocked the number.

Caller: UNSOLICITED & HARRASSMENT

This number (02) 8007 4103 keeps calling me plus the same number prefix with different extensions are harrassment calling, several times a week.
I don't answer & they never leave messages.
They don't give up until they scam people.
Do not answer & do not give any one you don't know your personal details, to avoid being scammed.

This number calls every single day! They never leave a message and we do not accept unsolicited phone calls of unknown origin.

Caller: Spam caller

Calling my landline twice per day, not leaving message. Phone disconnects when I call back

Caller: Some moron curry muncher

This curry muncher ,said " he was checking to see if we qualified for a solar system "
I said not interested.. bye..

Low life scum bastards!

No voice on pick up silence for a minute then disconnects

no answer when I spoke, they hung up.

Caller: Uknown

I tried to call back, got a strange dialtone and no response.

I called back and it rang once and immediately disconnected.