Activate and configure the SIP Application Layer Gateway (SIP ALG) in LANconfig under
.Important: The SIP ALG is disabled in the default settings.
- SIP-ALG activated
- Activate the SIP Application Layer Gateway here.
- Ignore rejecting firewall rules for forwarded SIP packets
- Here you determine whether the firewall for SIP packets respects Reject rules or whether the packets are forwarded by the SIP ALG in any case.