Installation guide

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Step 4
Forward the packets sent to UDP 5060, 13456~13470 and 49170~49184 to Vigor
3300V's WAN IP 192.168.26.33. Press OK to save the settings.
Figure 3-43. Settings of Index1
Step 5
After configuration it will automatically jump to Open Ports Setup page. Confirm the
settings to be correct. The setup is completed.
Figure 3-44. Index1 configuration
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Step 1
Enter the VoIP - NAT Traversal page and enable the STUN function. Then click Apply
to save the setting.