Create a new Trunk to MSC

AhmedYassine

New Member
Sep 29, 2025
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Hi,


I am trying to add a new gateway to bind the PBX with the MSC on port 5060. Here are the parameters I have:


  • IP: 172.225.10.10
  • Port: 5060
  • Protocol: UDP

I have configured everything on my side, but the status still shows NOREG.


I have checked the routing and confirmed that the port is open, so everything seems fine.


Could you please advise what I might be missing?


Thank you.

1773144274590.png
 
In your screenshot, you clearly disabled the REGISTER option. But you only need it when you set up a provider to use registration vs IP authentication. For IP authentication, it's ok to have no registration.
 
Thank you for the feedback.
I think the issue is that the default SIP port used in the external profile is 5080, not 5060. I will ask the provider if they can align with port 5080.
 
The proxy setting controls your outbound traffic. Not inbound. Most providers expect inbound traffic on port 5060.