HI,<br><br>Here is my setup:<br><br><br>USERS -> PSTN -> Service Provider -> Asteriskbox1 -> IAX2 trunk -> Internet -> IAX2 trunk -> Asteriskbox2 ->Sip Clients<br><br>between asteriskbox1 and asterisk box2, I've VPN configured. from Asteriskbox2 to internet my line speed is 1MB.
<br><br>Is there any why that I can calculate how many number of concurrent calls I can place / receive. <br><br>thanks<br><br>arun<br>