{{tag>Troubleshooting Broadband_Routers Firewall NAT Security}}
====== Firewall and NAT Settings ======
In some cases you may be required to adjust your firewall and NAT configuration to enable VoIP to work reliably.

Please see specific instructions on some popular routers and firewalls below:

  * [[DrayTek|DrayTek Vigor]]

To come:

  * Cisco
  * Juniper

Guidance for SIP trunking:
  * [[nat_and_firewall_guidance#sip_trunks_and_inbound|SIP Trunk Firewall and NAT Guidance]]

Guidance for Hosted VoIP:
  * [[nat_and_firewall_guidance#hosted_voip|Hosted VoIP Firewall and NAT Guidance]]