Why does the "call end" before it even connects?

[EZDIZIT]

LG-5 Android 10
Immediately after dialing this particular number (it's the only number) the fall is "ended" before it even starts.

 

[B. Diddy]

Welcome to Android Central! Can you try calling that number from a different phone?

 

[mustang7757]

Hi, welcome to AC!

Is that number for the person correct?

 

[Laura Knotek]

Is that person blocking your number or on do not disturb?