Asterisk: Zoiper + Grandstream FXO Bad Call Quality

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I’ve got my Asterisk box Setup with a Granstream FXO to connecto to the Land Lines. I’ve got a FXS to connect the Analog Phones to Asterisk also. Now, when I call from the Analog phones call quality is great, but when I call from a Softphone (Zoiper), call quality sucks. I’ve tried matching the […]


Asterisk: No Sound on Calls

Posted on On “sip.conf” localnet= nat=yes TOOLS Wireshark ¬†— To Analize your computers (client) network card incoming packets TCPDUMP — To Analize your servers network card packets sudo tcpdump -p -n -s 0 -vvv -w /tmp/server-capture.pcap   configuring extensions.conf netstat -lup | grep 10