Should this be the reason why I am getting no voice after transferring calls?

 == Spawn extension (incoming, 650137, 2) exited non-zero on 'SIP/1153-b4802420<ZOMBIE>'
  == Spawn extension (macro-extensions, s, 1) exited non-zero on 'Zap/1-1' in macro 'extensions'
  == Spawn extension (macro-extensions, s, 1) exited non-zero on 'Zap/1-1'