<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Inaki,<div><br></div><div>There is no limitation, all elements in the chain can now handle parallel sessions. Originally, CDRTool rating engine could handle one call at a time and that return code is a reminiscence of that.<div><br></div><div>Regards,</div><div>Adrian</div><div><br><div><div>On May 22, 2009, at 3:16 PM, Iņaki Baz Castillo wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div>Hi, reading the Call Control module documentation, it seems that it<br>just allows one concurrent call for each billing user.<br>I understand it after reading the return codes of "call_control()" function:<br><br> -2 - call is locked by another call in progress<br><br>Am I right? I expect that this feature (various concurrent calls for<br>same billing user) would depend on the rating engine.<br><br>Thanks.<br><br>-- <br>Iņaki Baz Castillo<br><<a href="mailto:ibc@aliax.net">ibc@aliax.net</a>><br><br>_______________________________________________<br>Users mailing list<br><a href="mailto:Users@lists.opensips.org">Users@lists.opensips.org</a><br><a href="http://lists.opensips.org/cgi-bin/mailman/listinfo/users">http://lists.opensips.org/cgi-bin/mailman/listinfo/users</a><br></div></blockquote></div><br></div></div></body></html>