Hi I have configured sip accounts and they work some times. when i make a call to another SIP account it works right but some times i get the following error Jul 29 07:17:00 WARNING[802]: chan_sip.c:694 retrans_pkt: Maximum retries exceeded on call 78a2143444d2be290aa530650ef47965@216.75.236.11 for seqno 102 (Critical Request) this happence when i register the SIP users and stay for some time and dial.but no problem with out going calls, can call any time. Regards Kanishka