Reference:Configuration/IP/NAT
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The telephone is able to connect IP terminals from the network with a non-public address to the public Internet. For this, Network Address Translation (NAT) is necessary. NAT serves as the router and requires a configuration of the PPOoE protocol. The necessary parameters for this configuration can be set here:
- Enable NAT: A checked check box enables NAT in general. This function is only required if the IP telephone is also a DSL router.
- Default forward destination: If all incoming data packets are to be forwarded to a particular IP-Adresse as standard, the destination IP-Adresse must be entered here.
- Port-specific forwarding: To be able to address several internal destinations, different port number numbers are assigned to IP addresses of the internal network here.