<span class="code"><br> <br> I have searched this list and others, and see other pepole having this<br> issue. However, I have not seen how to fix it.<br> <br> Sep 6 18:52:36 *WARNING*[4620]: *chan_sip.c*:*1835 retrans_pkt*: Maximum<br> retries exceeded on transmission<br> 778f89593967725f0abe40eb1752504c for seqno 1620 (Critical<br> Response)<br> <br> Sep 6 18:52:36 *WARNING*[4620]: *chan_sip.c*:*1835 retrans_pkt*: Hanging up<br> call 778f89593967725f0abe40eb1752504c no reply to our critical<br> packet.<br> <br> What is the critical packet that is not being responded to? Please help.<br> <br> </span><p> 
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