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Note: Read the VOCP
upgrade page instead of/in addition to this if you are upgrading VOCP
from a previous version.
This section covers the installation of VOCP as well as its supporting modules.
You need to have vgetty installed
and configured
before VOCP will work.
Sound files
One of the major functions of the install script is converting all the system
sound files (like numbers, days and such) from Portable Voice Format (pvf)
to the Raw Modem Data (rmd) file that is appropriate for your modem.
You will be asked for the location of the pvftormd program (installed
with vgetty) and the options to pass to it. These options determine how the
pvf files are converted to rmd files: if you use the wrong ones, your modem
won't be able to play any of them. The possible options are available by
doing:
pvftormd -L
See the sections on pvftormd in the vgetty
installation and testing
sections of the site for a more information.
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Requirements
Listed below are the VOCP requirements - you may wish to have a look at the
included doc/requirements.txt file for a more info on the 3rd party
modules (most of which can be installed automatically) and programs required for
various functionality (like Text-to-speech
and ogg/mp3 encoding).
General
You should be running Linux or a similar Un*x based box and have mgetty+sendfax/vgetty
installed and setup to work
with your modem. You must have a recent version of Perl.
You will need to have the XFree86 header files (installed with the XFree86
source or the XFree86-devel-X.X.X rpm) to install the Perl Tk and Tk::JPEG
modules (see below. You will need a working
and configured sound card to use the xVOCP
message retrieval GUI. You need a modem that supports CND to use
Caller-ID
functions.
Perl Modules
A number of Perl modules are now used by VOCP. Some are absolute requirements
while others are optional and only needed for certain parts of VOCP.
You can either install the modules manually, using perl -MCPAN -e
'install Module::Name', or you may have them installed automatically
through the install script. The modules are:
If you plan to use the graphical interfaces and if you will be installing
Perl Tk, you must login to the host machine as root and launch
X (in order for the various Tk tests to work).
Performing the install
Run the install script as root:
# cd /path/to/vocp-X.X/
# perl ./install_vocp.pl
If some of the VOCP support modules are not found on the system, you
will be asked if you wish to install them automatically using CPAN.
Say 'y' to do so. If you've never used cpan, you will probably need
to configure it before the installation proceeds: just answer the questions
cpan asks.
Also, if you are installing the Tk or Tk::JPEG module, you need to be
logged in as root and have X running in order to allow the Tk and Tk::JPEG
tests to succeed. In addition, to install Perl Tk, you may need to install
the XFree86 headers (XFree86-devel-4.X.X.rpm if you use RPMs) in order
to make the X11/Xlib.h file available to Tk.
Manual installation of modules
Fear not, if anything goes wrong you can either try again or do it manually.
The modules you will need are listed above.
Audio::DSP is also required but as we were having lots of trouble
with hissing and pops from Audio::DSP, a patch was created and sent
to the author but we never got a response so, in the mean time, the patched
version is included and will be installed by default.
You can install these modules using CPAN. Here's how you would install the
Modem::Vgetty module:
# perl -MCPAN -e 'install Modem::Vgetty'
and so on for Tk, Tk::JPEG etc. (must be run as root)
Sound file problems
If you are getting errors because of the 8000Hz sample rate of the sound files,
eg
/usr/bin/pvftormd: Unsupported sample speed (8000)
/usr/bin/pvftormd: Rockwell modems only support 7200 samples
use the included modify_sample_rate.pl script to modify the sample
rate of the files. Do:
perl modify_sample_rate.pl XXXX
where XXXX is the required sample rate (e.g. 7200). Then run
# perl install_vocp.pl
again.
Installation Complete
When the installer has finished, you will find the main vocp program and configuration
files in the /etc/vocp directory. The VOCP support
programs and resources, (xVOCP,VOCPhax,
etc.), documentation and VOCPweb
will all be located under /usr/local/vocp.
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