[AsteriskBrasil] erros asterisk

[Josué Conti]

Pessoal, alguém poderia me ajudar?
Tento carregar o asterisk, mas ele me reporta o seguinte erro:

== Parsing '/etc/asterisk/unicall.conf': Found
Loading protocol mfcr2
Nov 10 20:21:59 ERROR[5973]: chan_unicall.c:3447 mkintf: Unable to
open channel 1: No such file or directory
here = 0, tmp->channel = 0, channel = 1
Nov 10 20:21:59 ERROR[5973]: chan_unicall.c:4175 setup_unicall: Unable
to register channel '1-15'
  == Unregistered channel type 'Modem'
Nov 10 20:21:59 WARNING[5973]: loader.c:345 ast_load_resource:
chan_unicall.so: load_module failed, returning -1
  == Unregistered channel type 'UniCall'
  == Unregistered channel type 'roT'
Nov 10 20:21:59 WARNING[5973]: loader.c:440 load_modules: Loading
module chan_unicall.so failed!
O que poderia ser????????????

Abraço a todos