roysamba 0 Newbie Poster

Hello friends. I am a new user of Ubuntu 9.04 version and I have to build a system telephonie over Ip by using asterisk. My probleme is the following
I Have successly installed GCC, Libnewt, Bison, libpri........ but when I' am trying to install dahdi-linux after depackaging there is an error like this
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]roysamba@roysamba-laptop:~/Bureau/Asterisk 1.6$ cd dahdi-linux-2.2.0.2/
roysamba@roysamba-laptop:~/Bureau/Asterisk 1.6/dahdi-linux-2.2.0.2$ make
make -C drivers/dahdi/firmware firmware-loaders
make[1]: entrant dans le répertoire « /home/roysamba/Bureau/Asterisk 1.6/dahdi-linux-2.2.0.2/drivers/dahdi/firmware »
make[1]: quittant le répertoire « /home/roysamba/Bureau/Asterisk 1.6/dahdi-linux-2.2.0.2/drivers/dahdi/firmware »
make -C /lib/modules/2.6.28-15-generic/build SUBDIRS=/home/roysamba/Bureau/Asterisk 1.6/dahdi-linux-2.2.0.2/drivers/dahdi DAHDI_INCLUDE=/home/roysamba/Bureau/Asterisk 1.6/dahdi-linux-2.2.0.2/include DAHDI_MODULES_EXTRA=" " HOTPLUG_FIRMWARE=yes modules DAHDI_BUILD_ALL=m
make[1]: entrant dans le répertoire « /usr/src/linux-headers-2.6.28-15-generic »
make[1]: *** Pas de règle pour fabriquer la cible « 1.6/dahdi-linux-2.2.0.2/drivers/dahdi ». Arrêt.
make[1]: quittant le répertoire « /usr/src/linux-headers-2.6.28-15-generic »
make: *** [modules] Erreur 2
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So is there someone can hep me?
Thanks a lot