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Beginner

SPA122 Hook state Off when answer

Hi guys,

I'm from Italy. The ATA when I answer the phone change the hook state to off. The phone rings fine but I can hear nothing and I can hang up. Please help me!

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Advocate

Re: SPA122 Hook state Off when answer

It looks like NAT/firewall issue. SIP packets (the call control packets) are passing successfully but RTP packets (the audio stream) are blocked. Check your NAT/firewall configuration, ask your local network guru for help if necessary.