config voip profile
    edit "default"
        set comment "Default VoIP profile."
        config sip
        end
    next
    edit "strict"
        config sip
            set malformed-request-line discard
            set malformed-header-via discard
            set malformed-header-from discard
            set malformed-header-to discard
            set malformed-header-call-id discard
            set malformed-header-cseq discard
            set malformed-header-rack discard
            set malformed-header-rseq discard
            set malformed-header-contact discard
            set malformed-header-record-route discard
            set malformed-header-route discard
            set malformed-header-expires discard
            set malformed-header-content-type discard
            set malformed-header-content-length discard
            set malformed-header-max-forwards discard
            set malformed-header-allow discard
            set malformed-header-p-asserted-identity discard
            set malformed-header-sdp-v discard
            set malformed-header-sdp-o discard
            set malformed-header-sdp-s discard
            set malformed-header-sdp-i discard
            set malformed-header-sdp-c discard
            set malformed-header-sdp-b discard
            set malformed-header-sdp-z discard
            set malformed-header-sdp-k discard
            set malformed-header-sdp-a discard
            set malformed-header-sdp-t discard
            set malformed-header-sdp-r discard
            set malformed-header-sdp-m discard
        end
    next
end