Configuration item
Stun
3.3 Account
Tap "Account"---->"Account1", after setting the parameters you can click the
"More" button to switch to the next page to set; it has a total of five interfaces,
after all the parameters are set, you can click "Save" button to save successfully.
(You can also save single page.)
(Note: The Account1, 2, 3, 4 has the same settings.)
Stun interface
Meaning
Stun Server: Configure the SIP STUN server
address.
Stun port: Configure the SIP STUN server port.
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