1.1 --- a/data/dictionary.xml	Mon Aug 19 21:13:01 2013 +0200
     1.2 +++ b/data/dictionary.xml	Mon Aug 19 21:23:59 2013 +0200
     1.3 @@ -1297,12 +1297,25 @@
     1.4  	</concept>
     1.5  	<concept>
     1.6  		<term abbreviation="SIP" completeForm="session initiation protocol" language="en"/>
     1.7 -		<explanation language="en"><text></text></explanation>
     1.8 +		<explanation language="en">
     1.9 +			<text>
    1.10 +				an open signalling protocol for initiation of VoIP calls (audio, video or possibly other media sessions);
    1.11 +				uses UDP and has similar format of headers to HTTP;
    1.12 +				can also be transported over TCP (for TLS encryption) or SCTP;
    1.13 +				for the media payload is typically used RTP protocol
    1.14 +			</text>
    1.15 +		</explanation>
    1.16  		<tag>protocol</tag>
    1.17  	</concept>
    1.18  	<concept>
    1.19  		<term abbreviation="RTP" completeForm="real-time transport protocol" language="en"/>
    1.20 -		<explanation language="en"><text></text></explanation>
    1.21 +		<explanation language="en">
    1.22 +			<text>
    1.23 +				a standardized packet format for delivering audio and video over IP;
    1.24 +				can transfer audio or video streams for telephony or television streams;
    1.25 +				is used heavily in VoIP in combination with SIP
    1.26 +			</text>
    1.27 +		</explanation>
    1.28  		<tag>protocol</tag>
    1.29  	</concept>
    1.30  	<concept>