[Server] SAMP VOICE PORT

[Kamarova]

Hi
I Have VPS ( FireWall On , i open only port 7777 of my server ) 
AND I OPEN A SAMP SERVER but the samp voice is not working in game
but when i disable the firewall , the samp voice working good in game 
so i think need find port of samp voice
any one can help me ?

[Kamarova]

waaaaaaaaa

[Gabc]

I think it is 2020? Judging by this file:
https://github.com/CyberMor/sampvoice/bl.../voice.cfg