[AsteriskBrasil] erros Asterisk

[Josué Conti]

Pessoal, alguém poderia me ajudar,em relação aos erros abaixo:?
Nov 24 19:57:20 NOTICE[21526]: indications.c:397
ast_unregister_indication_country: Removed default indication country
'us'
Nov 24 19:57:20 WARNING[21526]: channel.c:174 ast_channel_register_ex:
Already have a handler for type 'UniCall'
Nov 24 19:57:20 ERROR[21526]: chan_unicall.c:4359 setup_unicall:
Unable to register channel class UniCall
Nov 24 19:57:20 WARNING[21526]: chan_unicall.c:4498 reload: Reload of
chan_unicall.so is unsuccessful!
Nov 24 19:57:20 WARNING[21526]: pbx.c:3915 ast_add_extension2: Unable
to register extension '_xxxxxxxxx', priority 1 in 'default', already
in use

Desde já agradeço a atenção