Ports to allow for whatsapp call
These are ports to be opened on your firewall to allow WA video call or voice call:
WHATSAPP Call:
TCP: 4244,5222,5223,5228,5242UDP: 3478,45395
Reference: http://kaa.kiev.ua/blog/whatsapp-voice-calls-firewall-ports/
LINE call:
TCP: 443UDP: 2675
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