SIP phone registration


  • I have a SIP softphone on Bria iOS I am using on the Alien network to connect to a remote phone system. The phone line will not register when I am on the wifi network. If I turn off my wifi and connect using cellular data, the SIP line registers fine.

    I believe SIP uses port 5060 to register phone lines but I do not think that port forwarding applies here since this is not the network where the phone system/pbx is located. The Alien is blocking something though. Not sure what to do here.


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