# MRCPv1
-A INPUT -m state --state NEW -m tcp -p tcp --dport 554 -j ACCEPT
# MRCPv2
-A INPUT -m state --state NEW -m tcp -p tcp --dport 5060 -j ACCEPT
-A INPUT -m state --state NEW -m udp -p udp --dport 5060 -j ACCEPT
# LumenVox license server
-A INPUT -m state --state NEW -m tcp -p tcp --dport 7569 -j ACCEPT
# MRCPv2 + RTP audio ports
-A INPUT -m state --state NEW -m tcp -p tcp --dport 20000:65535 -j ACCEPT
-A INPUT -m state --state NEW -m udp -p udp --dport 25000:65535 -j ACCEPT
The TCP range for MRCP is so large because it varies. The default setting is a base port of 20000 + a range that depends on the number of configured channels. The same is true for RTP, except the base is 25000.
The TCP range for MRCP is so large because it varies. The default setting is a base port of 20000 + a range that depends on the number of configured channels. The same is true for RTP, except the base is 25000.