UDP Port Forwarding not Working

Hello Dears

I made port forwarding in TCP and worked fine
but when i made it with UDP for video streaming didn’t work !?

what is the problem
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my office have two public IP address
and i’m trying to receive the video stream from my office
and forward it to a device in my local network,

i made another TCP port forwarding in different uses and worked, but i don’t know why in udp nothing happen
only so little packets are revived.