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NAT can also be used to limited who can access the server using?
ACL
IPv4 and ... are supported by 3CX
IPv6
IPv6 ... (NAT) is not supported by 3CX
Masquerading
, If IPv6 is used ... rules are needed
Firewall
3CX PBX requires ... NAT
Full Cone
SIP/SDP defines the port not the ...
Transport header
It is recommended to ... SIP ALG
Disable
The default SIP ports are ... UDP/TCP
5060
What NAT port range does 3CX use for audio?
9000 - 10999 UDP