diff --git a/src/nmt/main.c b/src/nmt/main.c
index 8926885..6de4c97 100644
--- a/src/nmt/main.c
+++ b/src/nmt/main.c
@@ -356,6 +356,8 @@ int main(int argc, char *argv[])
 		}
 	}
 
+	nmt_check_channels();
+
 	signal(SIGINT,sighandler);
 	signal(SIGHUP,sighandler);
 	signal(SIGTERM,sighandler);
diff --git a/src/nmt/nmt.c b/src/nmt/nmt.c
index c8bcabb..03e4342 100644
--- a/src/nmt/nmt.c
+++ b/src/nmt/nmt.c
@@ -305,16 +305,6 @@ int nmt_create(int channel, enum nmt_chan_type chan_type, const char *sounddev,
 		PDEBUG(DNMT, DEBUG_NOTICE, "Extended channel numbers (181..200) have been specified, but never been supported for sure. There is no phone to test with, so don't use it!\n");
 	}
 
-	if (chan_type == CHAN_TYPE_CC) {
-		PDEBUG(DNMT, DEBUG_NOTICE, "*** Selected channel can be used for calling only.\n");
-		PDEBUG(DNMT, DEBUG_NOTICE, "*** No call from the mobile phone is possible on this channel.\n");
-		PDEBUG(DNMT, DEBUG_NOTICE, "*** Use combined 'CC/TC' instead!\n");
-	}
-	if (chan_type == CHAN_TYPE_TC) {
-		PDEBUG(DNMT, DEBUG_NOTICE, "*** Selected channel can be used for traffic only.\n");
-		PDEBUG(DNMT, DEBUG_NOTICE, "*** No call to the mobile phone is possible on this channel.\n");
-		PDEBUG(DNMT, DEBUG_NOTICE, "*** Use combined 'CC/TC' instead!\n");
-	}
 	if (chan_type == CHAN_TYPE_TEST && !loopback) {
 		PDEBUG(DNMT, DEBUG_NOTICE, "*** Selected channel can be used for nothing but testing signal decoder.\n");
 	}
@@ -376,6 +366,35 @@ error:
 	return rc;
 }
 
+void nmt_check_channels(void)
+{
+	sender_t *sender;
+	nmt_t *nmt;
+	int cc = 0, tc = 0;
+
+	for (sender = sender_head; sender; sender = sender->next) {
+		nmt = (nmt_t *) sender;
+		if (nmt->sysinfo.chan_type == CHAN_TYPE_CC)
+			cc = 1;
+		if (nmt->sysinfo.chan_type == CHAN_TYPE_TC)
+			tc = 1;
+		if (nmt->sysinfo.chan_type == CHAN_TYPE_CC_TC) {
+			cc = 1;
+			tc = 1;
+		}
+	}
+	if (cc && !tc) {
+		PDEBUG(DNMT, DEBUG_NOTICE, "*** Selected channel(s) can be used for calling only.\n");
+		PDEBUG(DNMT, DEBUG_NOTICE, "*** No call from the mobile phone is possible on this channel.\n");
+		PDEBUG(DNMT, DEBUG_NOTICE, "*** Use combined 'CC/TC' instead!\n");
+	}
+	if (tc && !cc) {
+		PDEBUG(DNMT, DEBUG_NOTICE, "*** Selected channel(s) can be used for traffic only.\n");
+		PDEBUG(DNMT, DEBUG_NOTICE, "*** No call to the mobile phone is possible on this channel.\n");
+		PDEBUG(DNMT, DEBUG_NOTICE, "*** Use combined 'CC/TC' instead!\n");
+	}
+}
+
 /* Destroy transceiver instance and unlink from list. */
 void nmt_destroy(sender_t *sender)
 {
diff --git a/src/nmt/nmt.h b/src/nmt/nmt.h
index 16e2b97..1c01a3c 100644
--- a/src/nmt/nmt.h
+++ b/src/nmt/nmt.h
@@ -158,6 +158,7 @@ double nmt_channel2freq(int channel, int uplink);
 void nmt_country_list(void);
 uint8_t nmt_country_by_short_name(const char *short_name);
 int nmt_create(int channel, enum nmt_chan_type chan_type, const char *sounddev, int samplerate, int cross_channels, double rx_gain, int pre_emphasis, int de_emphasis, const char *write_wave, const char *read_wave, uint8_t ms_power, uint8_t traffic_area, uint8_t area_no, int compandor, int supervisory, const char *smsc_number, int send_callerid, int loopback);
+void nmt_check_channels(void);
 void nmt_destroy(sender_t *sender);
 void nmt_receive_frame(nmt_t *nmt, const char *bits, double quality, double level, double frames_elapsed);
 const char *nmt_get_frame(nmt_t *nmt);