registered. One thing here to notice is the same account has already been worked in *Scenario 1* and now which is not working without any reason. Any comments would be much appreciated. Regards --0015174c10141eee5804acc264d4 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Hi,<div><br></div><div><b><u>Scenario 1</u></b></div><div>I am trying to register a VoIP trunk, which is keep on sending the register request and I am not getting any response from the SIP Server, this I am trying from one network.</div> <div><br></div><div><b><u>Scenario 2</u></b></div><div>From another network if I try the same VoIP trunk, the account got registered.=A0</div><div><br></div><div>One thing here to notice is the same account has already been worked in <b>Scenario 1</b> and now which is not working without any reason.=A0</div> <div><br></div><div>Any comments would be much appreciated.=A0</div><div><br></div><div>Regards</div> --0015174c10141eee5804acc264d4--