diff --git a/announce/gatewayrestart.dat b/announce/gatewayrestart.dat
new file mode 100644
index 0000000..f21557f
Binary files /dev/null and b/announce/gatewayrestart.dat differ
diff --git a/announce/rebooting.dat b/announce/rebooting.dat
new file mode 100644
index 0000000..8418ddb
Binary files /dev/null and b/announce/rebooting.dat differ
diff --git a/announce/shutdown.dat b/announce/shutdown.dat
new file mode 100644
index 0000000..9a762c7
Binary files /dev/null and b/announce/shutdown.dat differ
diff --git a/exec_G.sh b/exec_G.sh
index a8e47a5..225d4d2 100755
--- a/exec_G.sh
+++ b/exec_G.sh
@@ -1,2 +1,4 @@
 #!/bin/sh
+qnvoice ${2} gatewayrestart.dat 'Gateway Restart'
+sleep 5
 systemctl restart qngateway
diff --git a/exec_H.sh b/exec_H.sh
index 40db820..9fc303e 100755
--- a/exec_H.sh
+++ b/exec_H.sh
@@ -1,2 +1,4 @@
 #!/bin/sh
+qnvoice ${2} shutdown.dat 'System Shutdown'
+sleep 5
 shutdown -h now
diff --git a/exec_R.sh b/exec_R.sh
index 7e4b8af..db73a28 100755
--- a/exec_R.sh
+++ b/exec_R.sh
@@ -1,2 +1,4 @@
 #!/bin/sh
+qnvoice ${2} rebooting.dat 'System Reboot'
+sleep 5
 shutdown -r now
diff --git a/qndtmf.sh b/qndtmf.sh
index 3e4a15b..8cb15a4 100755
--- a/qndtmf.sh
+++ b/qndtmf.sh
@@ -12,9 +12,23 @@
 # Example:  D00617   will link local module to DCS006 Q
 # Example:  *00103   will link local module to REF001 C
 # Example:  0 or 00  will report status of the link, "       I"
+# Example:  ##08     will execute the exec_H.sh script (shutdown the system)
 
 # We set this to spaces, it will be set later
+
+GetLetter () {
+	if [[ $1 == ([0-9]) ]]; then
+		if [ $1 -gt 0 ] && [ $1 -le 26 ]; then
+			LETTER=${LETTERS[$1-1]}
+			return
+		fi
+	fi
+	LETTER=$BAD
+}
+
 LUSER="        "
+LETTERS=( {A..Z} )
+BAD='bad'
 
 cd /tmp
 echo started at `date`
@@ -25,101 +39,59 @@ do
 	do
 		echo found file $i at `date`
 		LOCAL_BAND=${i:0:1}
-		if [[ "$LOCAL_BAND" = "A" ]] || [[ "$LOCAL_BAND" = "B" ]] || [[ "$LOCAL_BAND" = "C" ]] ; then
+		if [[ "$LOCAL_BAND" == 'A' ]] || [[ "$LOCAL_BAND" == 'B' ]] || [[ "$LOCAL_BAND" == 'C' ]]; then
 			CMD=`head -n 1 $i 2>/dev/null`
 			LUSER=`tail -n 1 $i 2>/dev/null`
 			echo "... with these contents: " $CMD " " $LUSER
-			if [[ "$CMD" = "#" ]] ; then
+			if [[ "$CMD" == '#' ]]; then
 				echo Unlinking local band $LOCAL_BAND requested by $LUSER
 				qnremote ${LOCAL_BAND} "$LUSER"  U  >/dev/null 2>&1
 				echo
-			elif [[ "$CMD" = "0" ]] || [[ "$CMD" = "00" ]] ; then
+			elif [[ "$CMD" == '0' ]] || [[ "$CMD" == '00' ]]; then
 				echo Link Status on local band $LOCAL_BAND requested by $LUSER
 				qnremote ${LOCAL_BAND} "$LUSER"  I  >/dev/null 2>&1
 				echo
-			elif [[ "$CMD" = "**" ]] ; then
+			elif [[ "$CMD" == '**' ]]; then
 				echo Load Hosts on local band  $LOCAL_BAND requested by $LUSER
 				qnremote ${LOCAL_BAND} "$LUSER"  F  >/dev/null 2>&1
 			else
-				LEN=${#CMD}
-				if [[ "$LEN" = "6" ]] ; then
-					PFX=${CMD:0:1}
-					REMOTE_NODE=${CMD:1:3}
-					REMOTE_BAND=${CMD:4:2}
-
-					if [[ "$REMOTE_BAND" = "01" ]] ; then
-						REMOTE_BAND=A
-					elif [[ "$REMOTE_BAND" = "02" ]] ; then
-						REMOTE_BAND=B
-					elif [[ "$REMOTE_BAND" = "03" ]] ; then
-						REMOTE_BAND=C
-					elif [[ "$REMOTE_BAND" = "04" ]] ; then
-						REMOTE_BAND=D
-					elif [[ "$REMOTE_BAND" = "05" ]] ; then
-						REMOTE_BAND=E
-					elif [[ "$REMOTE_BAND" = "06" ]] ; then
-						REMOTE_BAND=F
-					elif [[ "$REMOTE_BAND" = "07" ]] ; then
-						REMOTE_BAND=G
-					elif [[ "$REMOTE_BAND" = "08" ]] ; then
-						REMOTE_BAND=H
-					elif [[ "$REMOTE_BAND" = "09" ]] ; then
-						REMOTE_BAND=I
-					elif [[ "$REMOTE_BAND" = "10" ]] ; then
-						REMOTE_BAND=J
-					elif [[ "$REMOTE_BAND" = "11" ]] ; then
-						REMOTE_BAND=K
-					elif [[ "$REMOTE_BAND" = "12" ]] ; then
-						REMOTE_BAND=L
-					elif [[ "$REMOTE_BAND" = "13" ]] ; then
-						REMOTE_BAND=M
-					elif [[ "$REMOTE_BAND" = "14" ]] ; then
-						REMOTE_BAND=N
-					elif [[ "$REMOTE_BAND" = "15" ]] ; then
-						REMOTE_BAND=O
-					elif [[ "$REMOTE_BAND" = "16" ]] ; then
-						REMOTE_BAND=P
-					elif [[ "$REMOTE_BAND" = "17" ]] ; then
-						REMOTE_BAND=Q
-					elif [[ "$REMOTE_BAND" = "18" ]] ; then
-						REMOTE_BAND=R
-					elif [[ "$REMOTE_BAND" = "19" ]] ; then
-						REMOTE_BAND=S
-					elif [[ "$REMOTE_BAND" = "20" ]] ; then
-						REMOTE_BAND=T
-					elif [[ "$REMOTE_BAND" = "21" ]] ; then
-						REMOTE_BAND=U
-					elif [[ "$REMOTE_BAND" = "22" ]] ; then
-						REMOTE_BAND=V
-					elif [[ "$REMOTE_BAND" = "23" ]] ; then
-						REMOTE_BAND=W
-					elif [[ "$REMOTE_BAND" = "24" ]] ; then
-						REMOTE_BAND=X
-					elif [[ "$REMOTE_BAND" = "25" ]] ; then
-						REMOTE_BAND=Y
-					elif [[ "$REMOTE_BAND" = "26" ]] ; then
-						REMOTE_BAND=Z
+				if [ ${#CMD} -eq 4 ] && [[ ${CMD:0:2} == '##' ]]; then
+					GetLetter ${CMD:2:2}
+					if [[ "$LETTER" == "$BAD" ]]; then
+						echo "bad script letter index: '${CMD:2:2}'"
 					else
-						REMOTE_BAND=Z
+						exec_${LETTER}.sh
 					fi
+				elif [ ${#CMD} -eq 6 ]; then
 
-					if [[ "$PFX" = "B" ]] ; then
+					PFX=${CMD:0:1}
+					if [[ "$PFX" = 'B' ]]; then
 						RMT=XRF
-					elif [[ "$PFX" = "D" ]] ; then
+					elif [[ "$PFX" = 'D' ]]; then
 						RMT=DCS
-					elif [[ "$PFX" = "*" ]] ; then
+					elif [[ "$PFX" = '*' ]]; then
 						RMT=REF
 					else
-						RMT=garbage
+						RMT=$BAD
 					fi
 
-					if [[ "$RMT" == "garbage" ]] ; then
-						echo bad value in prefix
+					REMOTE_NODE=${CMD:1:3}
+					if [[ $REMOTE_NODE != ([0-9]) ]]; then
+						REMOTE_NODE=$BAD
+					fi
+
+					GetLetter ${CMD:4:2}
+					REMOTE_BAND=$LETTER
+
+					if [[ "$RMT" == "$BAD" ]] || [[ "$REMOTE_NODE" == "$BAD" ]] || [[ "$REMOTE_BAND" == "$BAD" ]]; then
+						echo "nonsense link command: '$CMD'"
 					else
 						echo linking local band $LOCAL_BAND to remote node ${RMT}${REMOTE_NODE} $REMOTE_BAND requested by $LUSER
 						qnremote ${LOCAL_BAND} "$LUSER"  ${RMT}${REMOTE_NODE}${REMOTE_BAND}L  >/dev/null 2>&1
 						echo
 					fi
+				else
+					echo "Bad command: '$CMD'"
 				fi
 			fi
 		else