Configuration

Activate and configure the SIP Application Layer Gateway (SIP ALG) in LANconfig under Miscellaneous Services > Services > SIP Application Layer Gateway.

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.

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