[asterisk-ss7] help-me, error in SS7

[Andre Luiz Martins Rodrigues]

Hello everyone, I have an Asterisk installed and I need to utilize SS7,
however when I try raise the * appears the error:

[chan_ss7.so] => (SS7 Protocol Support)
  == Parsing '/etc/asterisk/ss7.conf': Found
    -- SS7 channel unloaded.
Ouch ... error while writing audio data: : Broken pipe


Aug 28 17:00:38 VERBOSE[4432] logger.c:   == Parsing
'/etc/asterisk/ss7.conf': Aug 28 17:00:38 VERBOSE[4432] logger.c:   ==
Parsing '/etc/asterisk/ss7.conf': Found
Aug 28 17:00:38 NOTICE[4432] config.c: Configured link 'l1' on linkset
'siuc', firstcic=1
Aug 28 17:00:38 DEBUG[4432] config.c: links 'l1:1'
Aug 28 17:00:38 DEBUG[4432] config.c: host n_spans 1
Aug 28 17:00:38 WARNING[4432] config.c: Missing interface entries for
host 'gentoo1'.
Aug 28 17:00:38 DEBUG[4432] config.c: host gentoo1, n_spans 1
Aug 28 17:00:38 ERROR[4432] config.c: Unable to find host configuration
for host 'xxxxxxx.com.br'.
Aug 28 17:00:38 WARNING[4432] loader.c: chan_ss7.so: load_module failed,
returning -1
Aug 28 17:00:38 VERBOSE[4432] logger.c:     -- SS7 channel unloaded.
Aug 28 17:00:38 WARNING[4432] loader.c: Loading module chan_ss7.so failed!


Someone knows what is happening?