Changing port 5060 in OBI (ISP BLOCKED THE REGULAR PORTS)!!!

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kayhan:
Hi everyone,

Unfortunately all ISPs have recently blocked the normal UDP/TCP ports between 5060-5080 in our country. Right now all Obi devices that we have in several places in the country can be registered but they have connection issue for phone conversation.

Is there any way that we define deferent port (I mean not standard port) for these devices to fix this issue?

I will be thankful for any answer or solution.

Regards,

LeoKing:
You need to set up port forwarding on the router. For example, my NAS uses port 21 for the FTP and port 21 is blocked by my ISP. I set up an arbitrary public port (port 12863) on the router to redirect traffic to the private port 21.

kayhan:
Thanks LeoKing,

But could you please explain this a little bit more. I know I can forward the port on the router but how it can work? I assumed each OBI device in each side of the country need to only communicate with another device on the specific port such as 5060.

Can you say how I should set up an arbitrary public port on the router to redirect traffic to the private port?

Thanks

LeoKing:
What's the make/model of your router? Each router has different way to set up port forwarding.

kayhan:
I think I got it on my router in Virtual server section. My router is Dlink DIR-825.

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