Dialogic 6.2 manual Opens the infopkt-formatted file called name for writing

Developing a Fax Application

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_infopkt); args_infopkt.fname = name; args_infopkt.fmode = "w";

ips = BfvInfopktOpen(&args_infopkt);

Opens the infopkt-formatted file called name for writing.

BT_ZERO(args_tel); args_tel.timeout = 0L; BfvLineWaitForCall (lp, &args_tel);

Waits without a timeout for an incoming call and performs call screening when the call occurs.

BfvLineAnswer (lp, &args_tel);

Takes the line off-hook and sets the line state to CONNECTED.

BT_ZERO(args_fax); args_fax.r_ips = ips; args_fax.local_id = local_id; BfvFaxReceive (lp, &args_fax);

Receives fax pages and puts them into the infopkt stream ips.

BT_ZERO(args_infopkt); args_infopkt.ips = ips; BfvInfopktClose (&args_infopkt);

Closes the infopkt stream file after the file is received.

BT_ZERO(args_admin);

BfvLineDetach (lp, &args_admin);

Frees all memory for the attached line and closes the device.

Sending a Fax Using Low-Level Infopkt Function Calls One way to send a fax using the low-level infopkt fax function calls is demonstrated below. Each function is presented in sequential order, and the action it performs is listed beneath it.

BT_ZERO(args_admin); args_admin.unit = unit;

lp = BfvLineAttach(&args_admin);

Attaches to a free channel and gets a line pointer.

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