Apr 29 18:05:03 NOTICE[23166]: chan_sip.c:4035 sip_reg_timeout:    -- Registration for '17476016765@proxy01.sipphone.com' timed out, trying again
Apr 29 18:05:03 WARNING[23166]: chan_sip.c:611 __sip_xmit: sip_xmit of 0x8165dc4 (len 414) to 198.65.166.131 returned -1: Bad file descriptor
Apr 29 18:05:04 WARNING[23166]: chan_sip.c:611 __sip_xmit: sip_xmit of 0x8165dc4 (len 414) to 198.65.166.131 returned -1: Bad file descriptor
Apr 29 18:05:05 WARNING[23166]: chan_sip.c:611 __sip_xmit: sip_xmit of 0x8165dc4 (len 414) to 198.65.166.131 returned -1: Bad file descriptor
Apr 29 18:05:06 WARNING[23166]: chan_sip.c:611 __sip_xmit: sip_xmit of 0x8165dc4 (len 414) to 198.65.166.131 returned -1: Bad file descriptor
Apr 29 18:05:07 WARNING[23166]: chan_sip.c:611 __sip_xmit: sip_xmit of 0x8165dc4 (len 414) to 198.65.166.131 returned -1: Bad file descriptor
Apr 29 18:05:08 WARNING[23166]: chan_sip.c:611 __sip_xmit: sip_xmit of 0x8165dc4 (len 414) to 198.65.166.131 returned -1: Bad file descriptor
Apr 29 18:05:09 WARNING[23166]: chan_sip.c:694 retrans_pkt: Maximum retries exceeded on call 0c9a6ffb7f546bfe2619635b127021a9@proxy01.sipphone.com for seqno 106 (Critical Request)