Unable to hear self on *600 echo test
Using X-Lite there is no problem, but when using my Cisco ATA-186 I cannot hear myself, and anyone I phone cannot hear my voice as well. I have tried putting the ATA in the DMZ, and still no help. I have ports 5060 * 16384 forwarded to the private IP that the ATA is on as well. Could anyone help, do I need to open more ports? Very frustrating.
Thanks in advance,
RDP
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