diff -r e2cd5b01ba27 -r 00278d4b6dc7 data/dictionary.xml
--- a/data/dictionary.xml	Fri Aug 16 22:56:28 2013 +0200
+++ b/data/dictionary.xml	Fri Aug 16 23:15:27 2013 +0200
@@ -1052,13 +1052,26 @@
 	</concept>
 	<concept>
 		<term abbreviation="SMSC" completeForm="SMS service center" language="en"/>
-		<explanation language="en"><text></text></explanation>
+		<term abbreviation="SMS-SC" completeForm="Short Message Service - Service Centre" language="en"/>
+		<explanation language="en">
+			<text>
+				a component in telecommunication network dedicated to store, forward, convert and deliver SMS messages;
+				is connected to the SS7 network on one side and to routing entities (RE) using SMPP on the other side;
+				is able to process MOMT messaging and also MOAT or AOMT messaging (using RE)
+				Example of SMSC: SMSCv5
+			</text>
+		</explanation>
 		<tag>messaging</tag>
 	</concept>
 	<concept>
 		<term abbreviation="SMSCv5" completeForm="SMS service center version 5" language="en"/>
-		<term abbreviation="v5" completeForm="" language="en"/>
-		<explanation language="en"><text>an implementation of SMSC from Acision</text></explanation>
+		<term abbreviation="v5" completeForm="" language="en"/><!-- jargon -->
+		<explanation language="en">
+			<text>
+				an implementation of SMSC from Acision;
+				runs on an OpenVMS system
+			</text>
+		</explanation>
 		<tag>acision</tag>
 		<tag>messaging</tag>
 	</concept>