Chapter
When all the settings are correct, and the
Information:
If VoIP is not displayed when all the settings are completed, please repeat the above steps.
If you encounter any problems, make sure that your IP Router or ISP is not blocking any traffic, specifically on the RTP ports. Also ensure that the router is not blocking UDP traffic. You can contact your network administrator or ISP for more information.
For additional assistance please refer to your Service Provider’s Help Desk.
8.5NAT Settings
These settings are relevant to the ability of the phone to traverse the AP’s NAT (Network Address Translation function).
PAT (Port Address Translation function).
8.5.1 RPORT
Select from the main menu with the Scroll up key 
/ Scroll down key 
/Shift left key 
/ Shift right key 
: WLAN Status > NAT Settings
1. From the idle mode, press OK key 
(Menu) > Scroll down key 
(WLAN) > OK key 
> Scroll up key 
(NAT settings) > OK key
(Rport)
2.Select Enable/Disable
3.Press Right soft key 
to end the Rport settings.
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