asterisk users - Dec 2009 - Inquiry:Installing Asterisk 1.4 on CentOS 5.2?

Dear All
I have tried to install the asterisk-1.4 , libpri-1.4 , and zaptel-1.4 on my
CentOS 5.2 server , but my installation unsuccessful . When I check for the
presence of installed packages , like the followings , I see the output for
libpri and zaptel but nothing is seen for asterisk :
#whereis asterisk
#whereis libpri
#whereis zaptel
To install asterisk , I tried like the followings :
#make clean
#./configure
#make menuselect
#make
#make install
#make samples
Can you please let me know what is wrong in my installation ?
Thank you in advance
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Do you have any error logs? What output do you get when you try "make
install" with the asterisk package?


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