astrisk debug

Verbosity is at least 4
[Mar 21 08:38:23] WARNING[1074]: res_rtp_asterisk.c:422 create_new_socket: Unable to allocate RTP socket: Address family not supported by protocol
[Mar 21 08:38:23] WARNING[1074]: chan_unistim.c:2073 start_rtp: Unable to create RTP session: Address family not supported by protocol binaddr=192.168.2.27
    -- Starting switch on '1337@black-0' to 15555555500
  == Starting 1337@black-0 at from-internal,15555555500,1 failed so falling back to exten 's'
  == Starting 1337@black-0 at from-internal,s,1 still failed so falling back to context 'default'
    -- Executing [s@default:1] Set("1337@black-0", "CALLERID(name)=") in new stack
    -- Executing [s@default:2] Dial("1337@black-0", "SIP/1337,10") in new stack
[Mar 21 08:38:23] WARNING[1939]: app_dial.c:2039 dial_exec_full: Unable to create channel of type 'SIP' (cause 20 - Unknown)
  == Everyone is busy/congested at this time (1:0/0/1)
    -- Executing [s@default:3] Hangup("1337@black-0", "") in new stack
  == Spawn extension (default, s, 3) exited non-zero on '1337@black-0'
USTM(1337@black-0) channel already destroyed