-- Executing Authenticate("SIP/4303-08217c18", "/etc/asterisk/pinsets|a") in new stack
    -- Playing 'agent-pass' (language 'en')
    -- Playing 'auth-incorrect' (language 'en')
    -- Playing 'auth-thankyou' (language 'en')
    -- Executing Dial("SIP/4303-08217c18", "Unicall/g1/27631300") in new stack
    -- Called g1/27631300
Jul 19 16:56:13 WARNING[5149]: chan_unicall.c:2644 handle_uc_event: Unicall/1 event Dialing
Jul 19 16:56:22 WARNING[5149]: chan_unicall.c:2644 handle_uc_event: Unicall/1 event Alerting
Jul 19 16:56:22 WARNING[5149]: chan_unicall.c:2644 handle_uc_event: Unicall/1 event Connected
    -- UniCall/1-1 answered SIP/4303-08217c18
    -- Hungup 'UniCall/1-1'
  == Spawn extension (4303, 27631300, 2) exited non-zero on 'SIP/4303-08217c18'
Jul 19 16:56:37 WARNING[4776]: chan_unicall.c:2644 handle_uc_event: Unicall/1 event Far end disconnected
Jul 19 16:56:37 WARNING[4776]: chan_unicall.c:2930 handle_uc_event: CRN 32774 - far disconnected cause=Normal Clearing [16]
Jul 19 16:56:37 WARNING[4776]: chan_unicall.c:2644 handle_uc_event: Unicall/1 event Drop call
Jul 19 16:56:37 WARNING[4776]: chan_unicall.c:2644 handle_uc_event: Unicall/1 event Release call