--- channels/chan_zap.c.orig	2004-06-11 19:20:07.000000000 +0300
+++ channels/chan_zap.c	2004-06-11 19:26:53.000000000 +0300
@@ -195,6 +195,15 @@
 
 static int echotraining;
 
+static int pulse = 0;
+
+static int make_time = 60;
+
+static int break_time = 40;
+
+static int pause_time = 800;
+
+
 static int echocanbridged = 0;
 
 static int busydetect = 0;
@@ -475,6 +484,10 @@
 	int callwaitrings;
 	int echocancel;
 	int echotraining;
+	int pulse;
+	int pause_time;
+	int make_time;
+	int break_time;
 	int echocanbridged;
 	int echocanon;
 	int echobreak;
@@ -1259,6 +1272,43 @@
 	return res;
 }
 
+/*
+ * Send one pulse
+ */
+void send_pulse(fd)
+{
+	// t1 - pulse time
+	// t2 - pause between pulses
+	// t1/t2 should be about 60/40
+	// pulse frequency is 10 Hz
+	zt_set_hook(fd, ZT_ONHOOK);
+	usleep(make_time*1000);
+	zt_set_hook(fd, ZT_OFFHOOK);
+	usleep(break_time*1000);
+}
+
+/*
+ * ATDP digit :) 
+ */
+
+void dial_pulse_digit(int fd, unsigned char digit)
+{
+	/* skip if it is something else then digit */
+	if((digit < 1) || (digit > 12))
+		return;
+
+	while(digit)
+	{
+		send_pulse(fd);
+		digit--;
+	}
+	// pause between pulses - 800 ms
+	usleep(pause_time*1000);
+}
+
+
+
+
 static inline int zt_confmute(struct zt_pvt *p, int muted)
 {
 	int x, y, res;
@@ -3470,6 +3520,52 @@
 			case SIG_SF:
 			case SIG_SFWINK:
 			case SIG_SF_FEATD:
+				if(pulse)	
+				{
+					int i = 0;
+					
+
+					while( i < strlen(p->dop.dialstr))
+					{
+						unsigned char digit;
+						switch(p->dop.dialstr[i])
+						{
+							case '1':
+							case '2':
+							case '3':
+							case '4':
+							case '5':
+							case '6':
+							case '7':
+							case '8':
+							case '9':
+								digit = p->dop.dialstr[i] - '0';
+								break;
+							case '0':
+								digit = 10;
+								break;
+							case '*':
+								digit = 11;
+								break;
+							case '#':
+								digit = 12;
+								break;
+							default:
+								// just skip it
+								digit = 255;
+								break;	
+						}
+							
+						dial_pulse_digit(p->subs[SUB_REAL].zfd, digit);
+						i++;
+					}
+					// VERY DIRTY & UGLY HACK
+					// we need it to inform astersik that connection 
+					// established
+					p->dop.dialstr[0] = 'w';
+					p->dop.dialstr[1] = '\x00';
+					res = ioctl(p->subs[SUB_REAL].zfd, ZT_DIAL, &p->dop);
+				} else
 				if (!ast_strlen_zero(p->dop.dialstr)) 
 					res = ioctl(p->subs[SUB_REAL].zfd, ZT_DIAL, &p->dop);
 				else if (res < 0) {
@@ -5986,6 +6082,10 @@
 		tmp->callreturn = callreturn;
 		tmp->echocancel = echocancel;
 		tmp->echotraining = echotraining;
+		tmp->pulse = pulse;
+		tmp->make_time = make_time;
+		tmp->break_time = break_time;
+		tmp->pause_time = pause_time;
 		tmp->echocanbridged = echocanbridged;
 		tmp->busydetect = busydetect;
 		tmp->busycount = busycount;
@@ -8440,6 +8540,14 @@
 			}
 		} else if (!strcasecmp(v->name, "echotraining")) {
 			echotraining = ast_true(v->value);
+		} else if (!strcasecmp(v->name, "pulse")) {
+			pulse = ast_true(v->value);
+		} else if (!strcasecmp(v->name, "make_time")) {
+			make_time = atoi(v->value);
+		} else if (!strcasecmp(v->name, "break_time")) {
+			break_time = atoi(v->value);
+		} else if (!strcasecmp(v->name, "pause_time")) {
+			pause_time = atoi(v->value);
 		} else if (!strcasecmp(v->name, "hidecallerid")) {
 			hidecallerid = ast_true(v->value);
 		} else if (!strcasecmp(v->name, "callreturn")) {