slk-adialer-01*CLI> dial 3328@default
    -- Executing Dial("OSS/dsp", "SIP/3328|15") in new stack
    -- Called 3328>
    -- Got SIP response 410 "Gone" back from 10.2.0.70
    -- SIP/3328-09ee84a8 is circuit-busy
  == Everyone is busy/congested at this time (1:0/1/0)