[Asterisk-Users] [Help] ZT_CHANCONFIG failed on channel 25

[Yousef Herzallah]

Hi,
I a new user of asterisk, I'm trying to in install zaptel drivers on my
ISDN card Digium Tiger 3xx TE110P.

And my configuration is 
#
# Zaptel Configuration File
#
span=1,1,0,ccs,hdb3
bchan=1-15,17-31
dchan=16
loadzone = it

;
;
; Zapata Configuration file
;

[channels]
immediate=no
switchtype=EuroISDN
signalling=pri_cpe
pridialplan=unknown
context=incoming
usecallerid=yes
group=1
channel => 1-15,17-31

when I lunch the zaptel sevice I got this problem.

Loading zaptel framework:                                  [  OK  ]
Waiting for zap to come online...OK
Loading zaptel hardware modules:Running ztcfg:  ZT_CHANCONFIG failed on
channel 25: No such device or address (6)
                                                           [FAILED]
I need help