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Old 07-24-2017, 07:50 AM
kirchenlo kirchenlo is offline
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Hello,

this will certainly not help you. I have come across similar problems with roaming, and I am sure it is something in the mobile network that prevents this working properly. I would check the IP addresses in the 4G network (on your local mobile phone) and the IP address which is registered on one-x/IP Office, you should then see a different address and this is due to some NAT within the operators network. Check the SIP signalling and you will see that the audio IP addresses might be different compared with your device IP. Till now I couldn’t find a solution for it.

Are you using a SBC?

If no, then maybe consider using the SBC it might fix the problem.
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