diff -uNr linux/drivers/dahdi/wcb4xxp/base.c dahdi-2.4.0+2.4.0_dev/linux/drivers/dahdi/wcb4xxp/base.c
--- linux/drivers/dahdi/wcb4xxp/base.c	2011-02-16 19:05:28.000000000 +0100
+++ linux/drivers/dahdi/wcb4xxp/base.c	2011-02-16 19:35:14.000000000 +0100
@@ -84,6 +84,7 @@
 
 static int debug = 0;
 static int spanfilter = 0xFF; /* Bitmap for ports 1-8 */
+static int te_nt_override=0xFFFF; /* Override settings */
 #ifdef LOOPBACK_SUPPORTED
 static int loopback = 0;
 #endif
@@ -1519,14 +1520,24 @@
 		 * - In B410P: GPIO=0: NT
 		 * - In Junghanns: GPIO=0: TE
 		 */
-		if (b4->card_type == B410P)
+		 
+		if(b4->card_type == B800P_OV) {
+			int mode;
+			mode = !((te_nt_override >> i & 1));
 			nt = ((gpio & (1 << (i + 4))) == 0);
-		else
-			nt = ((gpio & (1 << (i + 4))) != 0);
+            dev_info(b4->dev, "Port %d: %s mode manually set\n", i + 1, (mode ? "NT" : "TE"));
+        }
+        else {
+		 
+			if (b4->card_type == B410P)
+				nt = ((gpio & (1 << (i + 4))) == 0);
+			else
+				nt = ((gpio & (1 << (i + 4))) != 0);
+			}
 
 		s->te_mode = !nt;
-
-		dev_info(b4->dev, "Port %d: %s mode\n", i + 1, (nt ? "NT" : "TE"));
+		if(b4->card_type != B800P_OV)
+			dev_info(b4->dev, "Port %d: %s mode\n", i + 1, (nt ? "NT" : "TE"));
 
 		hfc_reset_st(s);
 		hfc_start_st(s);
@@ -2402,7 +2413,15 @@
 			DAHDI_CONFIG_ESF | DAHDI_CONFIG_HDB3 |
 			DAHDI_CONFIG_CCS | DAHDI_CONFIG_CRC4;
 
-		sprintf(bspan->span.name, "B4/%d/%d", b4->cardno, i+1);
+		if(b4->card_type == B800P_OV){
+                        int mode;
+                        mode = !((te_nt_override >> i & 1));
+                       	sprintf(bspan->span.desc, "B4XXP (PCI) Card %d Span %d Mode %s", b4->cardno, i+1, (mode ? "NT" : "TE"));
+                   }
+		else {
+				sprintf(bspan->span.name, "B4/%d/%d", b4->cardno, i+1);
+		}
+		
 		sprintf(bspan->span.desc, "B4XXP (PCI) Card %d Span %d", b4->cardno, i+1);
 		bspan->span.manufacturer = "Digium";
 		dahdi_copy_string(bspan->span.devicetype, b4->variety, sizeof(bspan->span.devicetype));
@@ -3012,6 +3031,7 @@
 module_param(timer_1_ms, int, S_IRUGO | S_IWUSR);
 module_param(timer_3_ms, int, S_IRUGO | S_IWUSR);
 module_param(companding, charp, S_IRUGO);
+module_param(te_nt_override, int, S_IRUGO | S_IWUSR);
 
 MODULE_PARM_DESC(debug, "bitmap: 1=general 2=dtmf 4=regops 8=fops 16=ec 32=st state 64=hdlc 128=alarm");
 MODULE_PARM_DESC(spanfilter, "debug filter for spans. bitmap: 1=port 1, 2=port 2, 4=port 3, 8=port 4");
@@ -3027,6 +3047,9 @@
 MODULE_PARM_DESC(timer_3_ms, "TE: msec to wait for link activation, NT: unused.");
 MODULE_PARM_DESC(companding, "Change the companding to \"alaw\" or \"ulaw\""\
 				"(alaw by default)");
+MODULE_PARM_DESC(te_nt_override, "Overrides driver mode for B800P.\n"\
+				 "You need a bitmap as follows 11111110 = 254 (all spans in TE except the 1st)\n"\
+				 "You must configure the jumpper and turn on the terminator for each port you expect to work in NT mode.");
 
 MODULE_AUTHOR("Digium Incorporated <support@digium.com>");
 MODULE_DESCRIPTION("B410P & Similars multi-port BRI module driver.");