I need help plz!

PLz i need help i’ve install trixbox but show follow error messge:
Notice: configuration file is/etc/zaptel.conf no found
line 0: unable to open master device '/dev/zap/ctl’
1 erroor(s) detected

another msg is:

stopping irqbalance FAILED

loading zaptel framework FATAL

PLz help me soon

i need to know how into to grafic interface plz thz 4 the answer

update trixbox with yum update