<p>How many channels is your provider allowing you? I remember I had the same problem with asterisk a long time ago and it turned out my provider only allowed 2 channels at a time</p>
<div class="gmail_quote">On Aug 15, 2012 2:21 AM, &quot;ZhouJianhua&quot; &lt;<a href="mailto:jh.zhou@outlook.com">jh.zhou@outlook.com</a>&gt; wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">



<div><div dir="ltr">Hi,<div><br><div>I tried to bridge two PSTN call like this:</div><div><br></div><div>  originate sofia/gateway/mygateway/num1 &amp;bridge(<span style="font-size:12pt">sofia/gateway/mygateway/num2)</span></div>
<div><span style="font-size:12pt"><br></span></div><div><span style="font-size:12pt">Two phone ringed but no audio. There is audio if one leg is SIP user, like this:</span></div><div><span style="font-size:12pt"><br></span></div>
<div><span style="font-size:12pt">  </span><span style="font-size:12pt">originate sofia/internal/1000 &amp;bridge(</span><span style="font-size:12pt">sofia/gateway/mygateway/num2)</span></div><div><span style="font-size:12pt"><br>
</span></div><div><span style="font-size:12pt">or</span></div><div><span style="font-size:12pt"><br></span></div><div><span style="font-size:12pt">  </span><span style="font-size:12pt"> </span><span style="font-size:12pt">originate sofia/gateway/mygateway/num1 &amp;bridge(</span><span style="font-size:12pt">sofia/internal/1000)</span></div>
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