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Zapata Telephony Interface Driver
Note:
See
http://www.voip-info.org/tiki-index.php?page=Asterisk%20Zaptel%20Installation
for more verbose and updated version of this document.
Requirements:
Some of the testing programs still require the zapata library
The zttool program requires libnewt
To install:
check zconfig.h for any specific configuration changes
make
make install
Here is a list of what module to use with what hardware
Module Name Hardware
=========== ========
pciradio PCI Radio Card Zaptel
tor2 T400P - Quad Span T1 Card
E400P - Quad Span E1 Card
torisa Old Tormenta1 ISA Card
wct4xxp TE405P - Quad Span T1/E1 Card (5v version)
TE410P - Quad Span T1/E1 Card (3.3v version)
wct1xxp T100P - Single Span T1 Card
E100P - Single Span E1 Card
wcte11xp TE110P - Single Span T1/E1 Card
wcfxo X100P - Single port FXO interface
X101P - Single port FXO interface
wctdm TDM400P - Modular FXS/FXO interface (1-4 ports)
wctdm24xxp TDM800P - Modular FXS/FXO interface (up to 8 ports)
TDM2400P - Modular FXS/FXO interface (up to 24 ports)
wcusb S100U - Single port FXS USB Interface
xpp the Astribank USB channel bank
ztd-eth TDM-over-ethernet
ztd-loc Dynamic local spans
ztdummy Zaptel Timing Only Interface
The module "zaptel" is required by all others. "ztdynamic" is required by
ztd-eth and by ztd-loc.
Helper Utilities
================
This directory includes many helper utilities. Some of them are more
useful for debugging. The more useful ones of them:
ztcfg Configure zaptel spans / channels.
zttool Watch and monitor zaptel spans (also: cat /proc/zaptel/* ).
ztmonitor Monitor (visually or to the speaker) or record a zaptel channel.
zttest Test the zaptel timing source.
fxotune Tune some characteristics of the FXO chip to reduce generated echo.
torisatool A tool to configure the old torisa cards. Others don't need it.
What is the license for the zaptel driver?
===================================================
libpri is distributed under the terms of the GNU General Public License,
which permit its use and linking with other GPL'd software only.
The GNU GPL is included in the file LICENSE in this directory.
If you wish to use the zaptel drivers in an application for which the
GPL is not appropriate (e.g. a proprietary embedded system), licenses
under more flexible terms can be readily obtained through Digium, Inc.
at reasonable cost.
Brief F.A.Q
===========
Q. Zaptel compiled with no errors but when I try to modprobe zaptel I
receive "FATAL: Error insering zaptel (/lib/modules/2.6.x.x/misc/zaptel.ko):
Unknown symol in module or unknown parameter (see dmesg)
A. You need to recompile your kernel with CONFIG_CRC_CCITT=y or
CONFIG_CRC_CCITT=m. To do this, run 'make menuconfig' and change it under
'Library Routines -> CRC-CCIT functions'. If you compiled it as a module,
load it, otherwise reboot.
Q. Do I need to set up the symbolic link /usr/src/linux ?
A. That depends.
* On Debian Sarge: apt-get install kernel-headers-`uname -r`
* On Ubuntu and newer Debian: apt-get install linux-headers-`uname -r`
* On Redhat, Fedora, Centos: install the package 'kernel-devel' or
'kernel-smp-devel' (depending on your kernel versions).
* If you have just installed a kernel.org kernel from source, chances
are also that things will Just Work[tm].
This is because the build process checks for /lib/modules/`uname -r`/build
before /usr/src/linux . This linux will also be valid if you installed a
non-ancient kernel from source, and haven't reconfigured the source tree.
How do I report bugs or contribute?
===================================
Please report bug and patches to the Asterisk.org bug tracker at
http://bugs.digium.com in the "zaptel" category.
Does anything use this library so far?
======================================
Yes, the Asterisk Open Source PBX does. http://www.asterisk.org
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