June 2005
Intermediate to advanced
502 pages
21h 48m
English
Content preview from Switching to VoIP
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Chapter 3: Linux as a PBX
Install the Software Components of Asterisk
Asterisk consists of several software components for Linux. These packages are not all
required, as some of them are drivers for Digium’s interface cards. If you aren’t plan-
ning to use Digium’s card, you’ll need to build only the last of the three, “Asterisk”:
LIBPRI
A driver module that supports Digium T1/E1 interface cards so that ISDN and
PRI trunks can be interfaced with Asterisk
ZAPTEL
A driver module that allows legacy telephone line interface cards to be used with
Asterisk
Asterisk
A modular software daemon that provides telephony, management, and call-
accounting features, including voice mail, SIP telephone support, dial-plan, and
so on
If you’re wondering about these technical terms, don’t worry. As you experiment
with Asterisk and learn more about VoIP, they’ll become very familiar. For now, just
compile and install all three of them.
Since you ran the CVS download, the source code for each of the Asterisk software
components is sitting in its respective directory in /usr/src. Let’s compile each soft-
ware component by issuing the following commands:
# cd zaptel
# make clean ; make install
# cd ../libpri
# make clean ; make install
# cd ../asterisk
# make clean ; make install
Again, zaptel and libpri need only ...
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