Pauls Draytek tips

To enable SIP ALG

sys sip_alg 1

To disable SIP ALG 

sys sip_alg0

To View SIP ALG status 

sys sip_alg ?

To commit sys settings to flash

sys commit

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To view open ports

srv nat openport -v



To view port mappings ( open ports in most instances preferred to port mappings )

srv nat portmap table