1.1 --- a/data/dictionary.xml	Mon Aug 19 21:23:59 2013 +0200
     1.2 +++ b/data/dictionary.xml	Mon Aug 19 21:35:32 2013 +0200
     1.3 @@ -1300,8 +1300,8 @@
     1.4  		<explanation language="en">
     1.5  			<text>
     1.6  				an open signalling protocol for initiation of VoIP calls (audio, video or possibly other media sessions);
     1.7 -				uses UDP and has similar format of headers to HTTP;
     1.8 -				can also be transported over TCP (for TLS encryption) or SCTP;
     1.9 +				has similar format of headers and request/response model as HTTP;
    1.10 +				transported over UDP or TCP (for TLS encryption) or SCTP;
    1.11  				for the media payload is typically used RTP protocol
    1.12  			</text>
    1.13  		</explanation>
    1.14 @@ -1313,7 +1313,8 @@
    1.15  			<text>
    1.16  				a standardized packet format for delivering audio and video over IP;
    1.17  				can transfer audio or video streams for telephony or television streams;
    1.18 -				is used heavily in VoIP in combination with SIP
    1.19 +				is used heavily in VoIP in combination with SIP;
    1.20 +				can be secured with SRTP/ZRTP to avoid wiretrapping
    1.21  			</text>
    1.22  		</explanation>
    1.23  		<tag>protocol</tag>
    1.24 @@ -1332,7 +1333,12 @@
    1.25  	</concept>
    1.26  	<concept>
    1.27  		<term abbreviation="" completeForm="throttling" language="en"/>
    1.28 -		<explanation language="en"><text></text></explanation>
    1.29 +		<explanation language="en">
    1.30 +			<text>
    1.31 +				limiting the flow rate;
    1.32 +				e.g. short messages per second
    1.33 +			</text>
    1.34 +		</explanation>
    1.35  		<tag>messaging</tag>
    1.36  	</concept>
    1.37  	<concept>