-- Starting simple switch on 'Zap/1-1'
    -- Executing Dial("Zap/1-1", "SIP/phone2|20|t") in new stack
    -- Called phone2
    -- SIP/phone2-5bb4 is ringing
    -- SIP/phone2-5bb4 answered Zap/1-1
  == Spawn extension (inbound, s, 1) exited non-zero on 'Zap/1-1'
    -- Executing Dial("Zap/1-1", "SIP/phone2|20|t") in new stack
    -- Called phone2
    -- SIP/phone2-ee18 is ringing
    -- SIP/phone2-ee18 answered Zap/1-1
  == Spawn extension (inbound, h, 1) exited non-zero on 'Zap/1-1'
    -- Hungup 'Zap/1-1'