config system settings
set sip-ssl-port <port_number>
set sip-tcp-port <port1_int> [<port2_int>]>
set sip-udp-port <port_number>
set sccp-port <port_number>
end
2.將default-voip-alg模式更改為kernel-helper
config system settings
set default-voip-alg-mode kernel-helper-based
end