--- chan_dahdi.c	2009-08-24 06:54:38.000000000 +0200
+++ /root/chan_dahdi.c	2009-09-29 00:03:27.000000000 +0200
@@ -15360,6 +15368,61 @@
 	return 0;
 }
 
+#if defined(HAVE_PRI)
+static int action_dahdishowspans(struct mansession *s, const struct message *m)
+{
+	int span, count, x;
+	struct dahdi_pvt *tmp = NULL;
+	const char *id = astman_get_header(m, "ActionID");
+	char idText[256] = "";
+
+	astman_send_ack(s, m, "DAHDI span status will follow");
+	if (!ast_strlen_zero(id))
+		snprintf(idText, sizeof(idText), "ActionID: %s\r\n", id);
+
+	for (span = count = 0; span < NUM_SPANS; span++) {
+		if (pris[span].pri) {
+			for (x = 0; x < NUM_DCHANS; x++) {
+				if (pris[span].dchannels[x]) {
+
+					count++;
+
+					astman_append(s,
+						"Event: DAHDIShowSpans\r\n"
+						"DAHDISpan: %d/%d\r\n"
+						"Channel: %d\r\n"
+						"DChannel: %d\r\n"
+						"Provisioned: %d\r\n"
+						"Alarm: %d\r\n"
+						"Up: %d\r\n"
+						"Active: %d\r\n"
+						"%s"
+						"\r\n",
+						span + 1, x,
+						span + 1,
+						x,
+						pris[span].dchanavail[x] & DCHAN_PROVISIONED ? 1 : 0,
+						pris[span].dchanavail[x] & DCHAN_NOTINALARM ? 0 : 1,
+						pris[span].dchanavail[x] & DCHAN_UP ? 1 : 0,
+						pris[span].dchans[x] == pris[span].pri ? 1 : 0,
+						idText
+					);
+				}
+			}
+		}
+	}
+
+	astman_append(s,
+		"Event: DAHDIShowSpansComplete\r\n"
+		"Items: %d\r\n"
+		"%s"
+		"\r\n",
+		count,
+		idText);
+	return 0;
+}
+#endif
+
 #if defined(HAVE_SS7)
 static int linkset_addsigchan(int sigchan)
 {
@@ -15841,6 +15904,9 @@
 	ast_manager_unregister( "DAHDIDNDoff" );
 	ast_manager_unregister( "DAHDIDNDon" );
 	ast_manager_unregister("DAHDIShowChannels");
+#if defined(HAVE_PRI)
+	ast_manager_unregister("DAHDIShowSpans");
+#endif
 	ast_manager_unregister("DAHDIRestart");
 	ast_channel_unregister(&dahdi_tech);
 	ast_mutex_lock(&iflock);
@@ -17327,6 +17394,9 @@
 	ast_manager_register( "DAHDIDNDon", 0, action_dahdidndon, "Toggle DAHDI channel Do Not Disturb status ON" );
 	ast_manager_register( "DAHDIDNDoff", 0, action_dahdidndoff, "Toggle DAHDI channel Do Not Disturb status OFF" );
 	ast_manager_register("DAHDIShowChannels", 0, action_dahdishowchannels, "Show status DAHDI channels");
+#if defined(HAVE_PRI)
+	ast_manager_register("DAHDIShowSpans", 0, action_dahdishowspans, "Show status DAHDI spans");
+#endif
 	ast_manager_register("DAHDIRestart", 0, action_dahdirestart, "Fully Restart DAHDI channels (terminates calls)");
 
 	ast_cond_init(&ss_thread_complete, NULL);