[Jun  1 16:13:18] ERROR[12201]: rtp.c:1861 ast_rtp_new_with_bindaddr: Unable to allocate socket: Too many open files
[Jun  1 16:13:18] WARNING[12201]: chan_sip.c:4242 sip_alloc: Unable to create RTP audio  session: Too many open files
[Jun  1 16:13:18] ERROR[12201]: chan_sip.c:15390 sip_request_call: Unable to build sip pvt data for '1025' (Out of memory or socket error)
[Jun  1 16:13:18] WARNING[12201]: app_dial.c:1099 dial_exec_full: Unable to create channel of type 'SIP' (cause 42 - Switching equipment congestion)
  == Everyone is busy/congested at this time (1:0/0/1)