diff --git a/libs/freetdm/src/ftdm_io.c b/libs/freetdm/src/ftdm_io.c
index ec623ad6e6..2a5f1cb6ee 100644
--- a/libs/freetdm/src/ftdm_io.c
+++ b/libs/freetdm/src/ftdm_io.c
@@ -1470,13 +1470,23 @@ FT_DECLARE(ftdm_status_t) ftdm_group_channel_use_count(ftdm_group_t *group, uint
 
 static __inline__ int chan_is_avail(ftdm_channel_t *check)
 {
-	if (!ftdm_test_flag(check, FTDM_CHANNEL_READY) ||
-		!ftdm_test_flag(check, FTDM_CHANNEL_SIG_UP) ||
-		ftdm_test_flag(check, FTDM_CHANNEL_INUSE) ||
-		ftdm_test_flag(check, FTDM_CHANNEL_SUSPENDED) ||
-		ftdm_test_flag(check, FTDM_CHANNEL_IN_ALARM) ||
-		check->state != FTDM_CHANNEL_STATE_DOWN) {
-		return 0;
+	if (check->type == FTDM_CHAN_TYPE_CLEAR) {
+		if (!ftdm_test_flag(check, FTDM_CHANNEL_READY) ||
+			ftdm_test_flag(check, FTDM_CHANNEL_INUSE) ||
+			ftdm_test_flag(check, FTDM_CHANNEL_SUSPENDED) ||
+			ftdm_test_flag(check, FTDM_CHANNEL_IN_ALARM) ||
+			check->state != FTDM_CHANNEL_STATE_DOWN) {
+			return 0;
+		}
+	} else {
+		if (!ftdm_test_flag(check, FTDM_CHANNEL_READY) ||
+			!ftdm_test_flag(check, FTDM_CHANNEL_SIG_UP) ||
+			ftdm_test_flag(check, FTDM_CHANNEL_INUSE) ||
+			ftdm_test_flag(check, FTDM_CHANNEL_SUSPENDED) ||
+			ftdm_test_flag(check, FTDM_CHANNEL_IN_ALARM) ||
+			check->state != FTDM_CHANNEL_STATE_DOWN) {
+			return 0;
+		}
 	}
 	return 1;
 }
@@ -5129,6 +5139,12 @@ static ftdm_status_t load_config(void)
 				} else {
 					ftdm_log(FTDM_LOG_WARNING, "Cannot add EM channels to a non-EM trunk!\n");
 				}
+			} else if (!strcasecmp(var, "clear-channel")) {
+				unsigned chans_configured = 0;
+				chan_config.type = FTDM_CHAN_TYPE_CLEAR;
+				if (ftdm_configure_span_channels(span, val, &chan_config, &chans_configured) == FTDM_SUCCESS) {
+					configured += chans_configured;
+				}
 			} else if (!strcasecmp(var, "b-channel")) {
 				unsigned chans_configured = 0;
 				chan_config.type = FTDM_CHAN_TYPE_B;
diff --git a/libs/freetdm/src/ftmod/ftmod_wanpipe/ftmod_wanpipe.c b/libs/freetdm/src/ftmod/ftmod_wanpipe/ftmod_wanpipe.c
index 87ba7ed728..85ccba53bb 100755
--- a/libs/freetdm/src/ftmod/ftmod_wanpipe/ftmod_wanpipe.c
+++ b/libs/freetdm/src/ftmod/ftmod_wanpipe/ftmod_wanpipe.c
@@ -306,7 +306,8 @@ static unsigned wp_open_range(ftdm_span_t *span, unsigned spanno, unsigned start
 			if (type == FTDM_CHAN_TYPE_FXS 
 			|| type == FTDM_CHAN_TYPE_FXO 
 			|| type == FTDM_CHAN_TYPE_CAS
-			|| type == FTDM_CHAN_TYPE_B) {
+			|| type == FTDM_CHAN_TYPE_B 
+			|| type == FTDM_CHAN_TYPE_CLEAR) {
 				int err;
 				
 				hwec_str = "unavailable";
diff --git a/libs/freetdm/src/include/freetdm.h b/libs/freetdm/src/include/freetdm.h
index f7de8519b7..a45fdfe661 100755
--- a/libs/freetdm/src/include/freetdm.h
+++ b/libs/freetdm/src/include/freetdm.h
@@ -181,9 +181,10 @@ typedef enum {
 	FTDM_CHAN_TYPE_FXO, /*!< FXO analog channel */
 	FTDM_CHAN_TYPE_EM, /*!< E & M channel */
 	FTDM_CHAN_TYPE_CAS, /*!< CAS channel */
+	FTDM_CHAN_TYPE_CLEAR, /* Clear channnel - no signalling module */
 	FTDM_CHAN_TYPE_COUNT /*!< Count of channel types */
 } ftdm_chan_type_t;
-#define CHAN_TYPE_STRINGS "B", "DQ921", "DQ931", "FXS", "FXO", "EM", "CAS", "INVALID"
+#define CHAN_TYPE_STRINGS "B", "DQ921", "DQ931", "FXS", "FXO", "EM", "CAS", "CLEAR", "INVALID"
 /*! \brief transform from channel type to string and from string to channel type 
  * ftdm_str2ftdm_chan_type transforms a channel string (ie: "FXO" to FTDM_CHAN_TYPE_FXO) 
  * ftdm_chan_type2str transforms a channel type to string (ie: FTDM_CHAN_TYPE_B to "B")