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- Jul 19, 2023
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I have a 3Cx that was version 18 with voxtel sip trunks set up with no authentication ip based. I upgraded this system to version 20 and the trunks work fine, no authentication set up. i set up another system as version 20. it will not let me set up voxtel sip trunks without authentication. All my sip trunks connect to a ribbon SBC. It connects to the sip trunk provider LUMEN. How do i get the voxtel trunks set up ipbased no authentication in version 20