t_check_trans() generally does the trick. <br><br>--<br>Alex Balashov - Principal <br>Evariste Systems LLC <br>235 E Ponce de Leon Ave <br>Suite 106<br>Decatur, GA 30030 <br>Tel: +1-678-954-0670 <br>Web: http://www.evaristesys.com/, http://www.alexbalashov.com<br><br>Vineet Menon &lt;mvineetmenon@gmail.com&gt; wrote:<br><br>Hi,<br><br>How do we detect a message as retransmitted message, in a transaction oriented proxy?<br><br clear="all">Regards,<br><br>Vineet Menon<br><br><br>