diff --git a/UDLs/SIP-SDP.xml b/UDLs/SIP-SDP.xml
new file mode 100644
index 0000000..b73b02a
--- /dev/null
+++ b/UDLs/SIP-SDP.xml
@@ -0,0 +1,64 @@
+<NotepadPlus>
+    <UserLang name="SIP-SDP" ext="sip sdp txt log" udlVersion="2.1">
+        <Settings>
+            <Global caseIgnored="yes" allowFoldOfComments="yes" foldCompact="yes" forcePureLC="0" decimalSeparator="2" />
+            <Prefix Keywords1="no" Keywords2="yes" Keywords3="no" Keywords4="no" Keywords5="yes" Keywords6="yes" Keywords7="no" Keywords8="no" />
+        </Settings>
+        <KeywordLists>
+            <Keywords name="Comments">00&lt;-- 01 02--&gt; 03 04</Keywords>
+            <Keywords name="Numbers, prefix1"></Keywords>
+            <Keywords name="Numbers, prefix2"></Keywords>
+            <Keywords name="Numbers, extras1">0x</Keywords>
+            <Keywords name="Numbers, extras2"></Keywords>
+            <Keywords name="Numbers, suffix1"></Keywords>
+            <Keywords name="Numbers, suffix2"></Keywords>
+            <Keywords name="Numbers, range">-</Keywords>
+            <Keywords name="Operators1">= : ; ? &amp; @</Keywords>
+            <Keywords name="Operators2">:</Keywords>
+            <Keywords name="Folders in code1, open">Via:</Keywords>
+            <Keywords name="Folders in code1, middle"></Keywords>
+            <Keywords name="Folders in code1, close">Content-Length</Keywords>
+            <Keywords name="Folders in code2, open"></Keywords>
+            <Keywords name="Folders in code2, middle"></Keywords>
+            <Keywords name="Folders in code2, close"></Keywords>
+            <Keywords name="Folders in comment, open"></Keywords>
+            <Keywords name="Folders in comment, middle"></Keywords>
+            <Keywords name="Folders in comment, close"></Keywords>
+            <Keywords name="Keywords1">INVITE ACK BYE CANCEL OPTIONS REGISTER INFO PRACK SUBSCRIBE NOTIFY REFER MESSAGE PUBLISH UPDATE</Keywords>
+            <Keywords name="Keywords2">100 180 181 182 183 200 202 300 301 302 305 380 400 401 402 403 404 405 406 407 408 410 413 414 415 416 417 420 421 422 423 429 433 480 481 482 483 484 485 486 487 488 489 491 493 500 501 502 503 504 505 513 580 600 603 604 606</Keywords>
+            <Keywords name="Keywords3">Via CSeq Contact Max-Forwards User-Agent Server Content-Type Content-Length Expires Route Record-Route Call-ID Allow Supported Proxy-Require Require P-Asserted-Identity Privacy Organization Subject Refer-To Replaces Session-Expires Min-SE Event Subscription-State Allow-Events Authorization WWW-Authenticate Date Accept Accept-Encoding Accept-Language Alert-Info Answer-State Call-Info Error-Info In-Reply-To Priority Proxy-Authenticate Proxy-Authorization RAck Retry-After RSeq Timestamp To From X-Greeting X-SBC</Keywords>
+            <Keywords name="Keywords4">v o s i u e p c t b m a k z</Keywords>
+            <Keywords name="Keywords5">sip sips tel urn &lt;</Keywords>
+            <Keywords name="Keywords6">UDP TCP TLS SCTP WS WSS udp tcp tls sctp ws wss RTP/AVP RTP/SAVP RTP/AVPF RTP/SAVPF</Keywords>
+            <Keywords name="Keywords7">rtpmap fmtp ptime maxptime sendrecv sendonly recvonly inactive rtcp-mux candidate ice-ufrag ice-pwd fingerprint setup mid group msisdn label crypto ptime rtcp-fb extmap msid rtcp-rsize ssrc ice-options rtcp audio IN extmap-allow-mixed msid-semantic</Keywords>
+            <Keywords name="Keywords8"></Keywords>
+            <Keywords name="Delimiters">00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23</Keywords>
+        </KeywordLists>
+        <Styles>
+            <WordsStyle name="DEFAULT" fgColor="000000" bgColor="FFFFFF" fontStyle="0" nesting="0" />
+            <WordsStyle name="COMMENTS" fgColor="008000" bgColor="FFFFFF" fontStyle="0" nesting="0" />
+            <WordsStyle name="LINE COMMENTS" fgColor="008000" bgColor="FFFFFF" fontStyle="2" nesting="0" />
+            <WordsStyle name="NUMBERS" fgColor="FF00FF" bgColor="FFFFFF" fontStyle="0" nesting="0" />
+            <WordsStyle name="KEYWORDS1" fgColor="0000FF" bgColor="FFFFFF" fontStyle="1" nesting="0" />
+            <WordsStyle name="KEYWORDS2" fgColor="FF8000" bgColor="FFFFFF" fontStyle="1" nesting="0" />
+            <WordsStyle name="KEYWORDS3" fgColor="800000" bgColor="FFFFFF" fontStyle="1" nesting="0" />
+            <WordsStyle name="KEYWORDS4" fgColor="008080" bgColor="FFFFFF" fontStyle="1" nesting="0" />
+            <WordsStyle name="KEYWORDS5" fgColor="000080" bgColor="FFFFFF" fontStyle="1" nesting="0" />
+            <WordsStyle name="KEYWORDS6" fgColor="0080FF" bgColor="FFFFFF" fontStyle="0" nesting="0" />
+            <WordsStyle name="KEYWORDS7" fgColor="800080" bgColor="FFFFFF" fontStyle="3" nesting="0" />
+            <WordsStyle name="OPERATORS" fgColor="000000" bgColor="FFFFFF" fontStyle="0" nesting="0" />
+            <WordsStyle name="FOLDER IN CODE1" fgColor="000080" bgColor="FFFFFF" fontStyle="1" nesting="0" />
+            <WordsStyle name="DELIMITERS1" fgColor="000000" bgColor="F0F0F0" fontStyle="0" nesting="33554432" />
+            <WordsStyle name="KEYWORDS8" fgColor="000000" bgColor="FFFFFF" fontStyle="0" nesting="0" />
+            <WordsStyle name="FOLDER IN CODE2" fgColor="000000" bgColor="FFFFFF" fontStyle="0" nesting="0" />
+            <WordsStyle name="FOLDER IN COMMENT" fgColor="000000" bgColor="FFFFFF" fontStyle="0" nesting="0" />
+            <WordsStyle name="DELIMITERS2" fgColor="000000" bgColor="FFFFFF" fontStyle="0" nesting="0" />
+            <WordsStyle name="DELIMITERS3" fgColor="000000" bgColor="FFFFFF" fontStyle="0" nesting="0" />
+            <WordsStyle name="DELIMITERS4" fgColor="000000" bgColor="FFFFFF" fontStyle="0" nesting="0" />
+            <WordsStyle name="DELIMITERS5" fgColor="000000" bgColor="FFFFFF" fontStyle="0" nesting="0" />
+            <WordsStyle name="DELIMITERS6" fgColor="000000" bgColor="FFFFFF" fontStyle="0" nesting="0" />
+            <WordsStyle name="DELIMITERS7" fgColor="000000" bgColor="FFFFFF" fontStyle="0" nesting="0" />
+            <WordsStyle name="DELIMITERS8" fgColor="000000" bgColor="FFFFFF" fontStyle="0" nesting="0" />
+        </Styles>
+    </UserLang>
+</NotepadPlus>