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• From each of the directories created (alsa-driver-0.5.?, alsa-lib-0.5.?, alsa-utils-
0.5.?) first run “./configure” at the prompt, followed by “make” and “make
install”.
• Edit the /etc/conf.modules (or modules.conf) file to include the following line:
”alias sound-slot-0 snd-card-ens1371”
• Change your directory to alsa-driver-0.5.? and run the following commands
o “./snddevices”
o “modprobe snd-card-ens1371”
• These commands have to be run everytime you restart your computer therefore it
is best to put them in your .cshrc file.
• Change directory to alsa-utils-0.5.?/amixer and type the following commands in
at the prompt
o “./amixer set ‘Input Gain’ 75% on
o “./amixer set ‘Master’ 75% on
o “./amixer set ‘PCM’ 75% on
• These commands configure the settings in the mixer program (amixer) that
comes with ALSA. To explore other options just type “./amier –help”
• So as to make it easier to run the next time, after you have used amixer to set the
parameters, as root run “/usr/src/alsa-utils-0.5.?/alsactl/alsactl store”
• To store the present sound mixer configuration in /etc/asound.conf, you may run
the following command manually after booting or insert it in your boot scripts
(.cshrc)
o “/usr/src/alsa-utils-0.5.?/alsactl/alsactl restore”
• To store clvoip unpack clvoip.tar.gz in the directory of your choice and run
“make” from within the clvoip directory that gets created.
4. OPENH323 Installation
The openh323 package and the accompanying libraries can be obtained from
www.openh323.org. We chose to use OPENH323 finally because we could not get
ALSA to work with the SBC successfully.
4.1 Files
The OPENH323 package comes with a pwlib package which is a C++ library package
used by OPEN323. The two tarballs are:
• pwlib_min_?.??.tar.gz
• openh323_1.x.x.tar.gz
4.2 OPENH323 setup on development system
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