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Developing a Fax Application
November 2009 70
BT_ZERO(args_admin);
BfvLineDetach (lp, &args_admin);
Frees all the memory for the attached line and closes the device.
You can replace some low-level functions with a high-level function,
for example:
See the applications in the sample application directory for more
detailed information.
Sending a Fax Using Function Calls for
Noninfopkt-Formatted Raw G3
Files
One way to send a fax using function calls for noninfopkt-formatted
raw G3 files is demonstrated below. Each function is presented in
sequential order, and the action it performs is described beneath it.
This example sends a two-page fax whose page and strip data are
stored in noninfopkt-formatted files. The first page consists of a
Group 3 letterhead (ltrhd.g3), a body in ASCII (main.txt), and a
signature file in Group 3 (sig.G3). The second page is an ASCII file
(memo.txt).
BT_ZERO(args_admin);
args_admin.unit = unit;
lp = BfvLineAttach(&args_admin);
Attaches to a free channel and gets a line pointer.
args_admin.config_file_name = "usrcnfig.cfg";
BfvLineReset(lp,&args_admin);
Resets the channel and sets the user-configured options selected in
the user-defined configuration file named usrcnfig.cfg.
BT_ZERO(args_tel);
args_tel.phonenum = "w7814499009";
args_tel.call_protocol_code = CALL_PROTOCOL_FAX;
args_tel.func = userfunc;
args_tel.arg = userarg;
BfvLineOriginateCall(lp,&args_tel);
Dials the phone number, monitors call progress, calls the user
function to optionally decide when to terminate call progress.
BfvFaxBeginReceive
BfvFaxGetRemoteInfo
BfvFaxSetLocalId
BfvFaxWaitForTraining
BfvFaxReceivePages
These low level functions are
replaced with the high level function
BfvFaxReceive.