[2020-08-07 11:43:58] VERBOSE[15898][C-0003b40b] chan_sip.c: Got SIP response 500 "Server Internal Error" back from
193.201.229.35:5060[2020-08-07 11:43:58] VERBOSE[3902][C-0003b40b] app_dial.c: SIP/Megafon8-800-0005d797 is circuit-busy
[2020-08-07 11:43:58] VERBOSE[3902][C-0003b40b] app_dial.c: Everyone is busy/congested at this time (1:0/1/0)
[2020-08-07 11:43:58] VERBOSE[3902][C-0003b40b] pbx.c: Executing [s@macro-dialout-trunk:27] NoOp("SIP/713-0005d796", "Dial failed for some reason with DIALSTATUS = CONGESTION and HANGUPCAUSE = 38") in new stack