From 76cb841cb886eef6b3bee341a2266c76578724ad Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 6 May 2024 03:02:30 +0200 Subject: Adding upstream version 4.19.249. Signed-off-by: Daniel Baumann --- Documentation/isdn/README.fax | 45 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 Documentation/isdn/README.fax (limited to 'Documentation/isdn/README.fax') diff --git a/Documentation/isdn/README.fax b/Documentation/isdn/README.fax new file mode 100644 index 000000000..5314958a8 --- /dev/null +++ b/Documentation/isdn/README.fax @@ -0,0 +1,45 @@ + +Fax with isdn4linux +=================== + +When enabled during kernel configuration, the tty emulator +of the ISDN subsystem is capable of the Fax Class 2 commands. + +This only makes sense under the following conditions : + +- You need the commands as dummy, because you are using + hylafax (with patch) for AVM capi. +- You want to use the fax capabilities of your isdn-card. + (supported cards are listed below) + + +NOTE: This implementation does *not* support fax with passive + ISDN-cards (known as softfax). The low-level driver of + the ISDN-card and/or the card itself must support this. + + +Supported ISDN-Cards +-------------------- + +Eicon DIVA Server BRI/PCI + - full support with both B-channels. + +Eicon DIVA Server 4BRI/PCI + - full support with all B-channels. + +Eicon DIVA Server PRI/PCI + - full support on amount of B-channels + depending on DSPs on board. + + + +The command set is known as Class 2 (not Class 2.0) and +can be activated by AT+FCLASS=2 + + +The interface between the link-level-module and the hardware-level driver +is described in the files INTERFACE.fax and INTERFACE. + +Armin +mac@melware.de + -- cgit v1.2.3