Ive am trying to setup the voip mode on onex mobile. Pretty much there in that I can put the Iphone into voip mode and can make a call but I don't get any speech either way.
Must be an issue with either routing inbound/outbound or wrong port forwarding for RTP or missing firewall allow rules for the RTP port range. Look at the difference between "RTP port range" and "RTP port range NAT".
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