Problemas com Modem

ola turma... algum tempo atras eu postei algumas mensagens, na verdade alguns problemas q eu estava enfrentando com o meu modem. Bem...
dessa vez estou trazendo o relatorio de erro q fica registrado em /var/log/message. Segue abaixo o erro:

Sep 30 00:13:46 hux kernel: slmdm: country set is 0x16 (BRAZIL).
Sep 30 00:13:46 hux kernel: Smart Link AMRMO modem.
Sep 30 00:13:46 hux kernel: amrmo: probe 1039:7013 Silicon Integrated Systems [SiS] Intel 537 [56k Winmodem] : SiS630/SmartRiser card...
Sep 30 00:13:46 hux kernel: ST7554 USB Modem.
Sep 30 00:13:46 hux kernel: usb.c: registered new driver ST7554 USB Modem
Sep 30 00:13:46 hux kernel: PPP Deflate Compression module registered
Sep 30 00:13:46 hux kernel: PPP BSD Compression module registered
Set 30 00:13:50 hux PAM_pwdb[955]: (su) session closed for user root
Sep 30 00:15:39 hux kernel: This driver is not compatible with the installed modem codec.
Sep 30 00:15:39 hux kernel: Please contact your modem provider for support.
Set 30 00:16:52 hux PAM_pwdb[994]: (su) session opened for user root by hudson(uid=500)
Sep 30 00:16:54 hux modprobe: modprobe: Can't locate module nls_cp437
Sep 30 00:16:54 hux modprobe: modprobe: Can't locate module nls_iso8859-1
Sep 30 00:16:54 hux last message repeated 2 times
Set 30 00:17:48 hux PAM_pwdb[1020]: authentication failure; hudson(uid=500) -> root for su service
Set 30 00:17:51 hux PAM_pwdb[1021]: (su) session opened for user root by hudson(uid=500)
Set 30 00:19:38 hux PAM_pwdb[994]: (su) session closed for user root
Sep 30 00:19:57 hux kernel: This driver is not compatible with the installed modem codec.
Sep 30 00:19:57 hux kernel: Please contact your modem provider for support.
Set 30 00:21:19 hux PAM_pwdb[1048]: (su) session opened for user root by hudson(uid=500)

Alguém poderia me dar uma ajuda, o q eu devo fazer ?!
Desde já agradeço a compreensão e a ajuda de todos... :D