sdpops: added module documentation

modules/sdpops/README

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+SDPOPS Module
+
+Daniel-Constantin Mierla
+
+   <[email protected]>
+
+Edited by
+
+Daniel-Constantin Mierla
+
+   <[email protected]>
+
+   Copyright © 2011 asipto.com
+     __________________________________________________________________
+
+   Table of Contents
+
+   1. Admin Guide
+
+        1. Overview
+        2. Dependencies
+
+              2.1. Kamailio Modules
+              2.2. External Libraries or Applications
+
+        3. Exported Parameters
+        4. Exported Functions
+
+              4.1. sdp_remove_codecs_by_id(list)
+
+   List of Examples
+
+   1.1. sdp_remove_codecs_by_id usage
+
+Chapter 1. Admin Guide
+
+   Table of Contents
+
+   1. Overview
+   2. Dependencies
+
+        2.1. Kamailio Modules
+        2.2. External Libraries or Applications
+
+   3. Exported Parameters
+   4. Exported Functions
+
+        4.1. sdp_remove_codecs_by_id(list)
+
+1. Overview
+
+   This module provides function for checking and managing the SDP
+   payloads of SIP messages.
+
+   Examples of what this module offers: remove codecs from SDP, check the
+   media stream types, return attributes of SDP document. For the full
+   least of the features provided by this module and the implementation
+   state, read further to the list of exported functions.
+
+2. Dependencies
+
+   2.1. Kamailio Modules
+   2.2. External Libraries or Applications
+
+2.1. Kamailio Modules
+
+   The following modules must be loaded before this module:
+     * none.
+
+2.2. External Libraries or Applications
+
+   The following libraries or applications must be installed before
+   running Kamailio with this module loaded:
+     * None
+
+3. Exported Parameters
+
+   The module does not export any config parameter yet.
+
+4. Exported Functions
+
+   4.1. sdp_remove_codecs_by_id(list)
+
+4.1.  sdp_remove_codecs_by_id(list)
+
+   Remove the codecs provided in the parameter 'list' from all media
+   streams found in SDP payload. The parameter 'list' must be one or a
+   comma separated list of numeric codec IDs. The parameter can be a
+   static string or a variable holding the list of numeric codec IDs.
+
+   Example 1.1. sdp_remove_codecs_by_id usage
+...
+# remove PCMU
+sdp_remove_codecs_by_id("0");
+# remove PCMU, PCMA and GSM
+sdp_remove_codecs_by_id("0,8,3");
+...

modules/sdpops/doc/Makefile

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+docs = sdpops.xml
+
+docbook_dir = ../../../docbook
+include $(docbook_dir)/Makefile.module

modules/sdpops/doc/sdpops.xml

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+<?xml version="1.0" encoding='ISO-8859-1'?>
+<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
+"http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [
+
+<!-- Include general documentation entities -->
+<!ENTITY % docentities SYSTEM "../../../docbook/entities.xml">
+%docentities;
+
+]>
+
+<book xmlns:xi="http://www.w3.org/2001/XInclude">
+    <bookinfo>
+	<title>SDPOPS Module</title>
+	<productname class="trade">sip-router.org</productname>
+	<authorgroup>
+	    <author>
+		<firstname>Daniel-Constantin</firstname>
+		<surname>Mierla</surname>
+		<email>[email protected]</email>
+	    </author>
+	    <editor>
+		<firstname>Daniel-Constantin</firstname>
+		<surname>Mierla</surname>
+		<email>[email protected]</email>
+	    </editor>
+	</authorgroup>
+	<copyright>
+	    <year>2011</year>
+	    <holder>asipto.com</holder>
+	</copyright>
+    </bookinfo>
+    <toc></toc>
+    
+    <xi:include href="sdpops_admin.xml"/>
+    
+    
+</book>

modules/sdpops/doc/sdpops_admin.xml

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+<?xml version="1.0" encoding='ISO-8859-1'?>
+<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
+"http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [
+
+<!-- Include general documentation entities -->
+<!ENTITY % docentities SYSTEM "../../../docbook/entities.xml">
+%docentities;
+
+]>
+<!-- Module User's Guide -->
+
+<chapter>
+	
+	<title>&adminguide;</title>
+	
+	<section>
+	<title>Overview</title>
+	<para>
+		This module provides function for checking and managing the SDP
+		payloads of SIP messages.
+	</para>
+	<para>
+		Examples of what this module offers: remove codecs from SDP,
+		check the media stream types, return attributes of SDP document.
+		For the full least of the features provided by this module and
+		the implementation state, read further to the list of exported
+		functions.
+	</para>
+	</section>
+
+	<section>
+	<title>Dependencies</title>
+	<section>
+		<title>&kamailio; Modules</title>
+		<para>
+		The following modules must be loaded before this module:
+			<itemizedlist>
+			<listitem>
+			<para>
+				<emphasis>none</emphasis>.
+			</para>
+			</listitem>
+			</itemizedlist>
+		</para>
+	</section>
+	<section>
+		<title>External Libraries or Applications</title>
+		<para>
+		The following libraries or applications must be installed before running
+		&kamailio; with this module loaded:
+			<itemizedlist>
+			<listitem>
+			<para>
+				<emphasis>None</emphasis>
+			</para>
+			</listitem>
+			</itemizedlist>
+		</para>
+	</section>
+	</section>
+	<section>
+	<title>Exported Parameters</title>
+		<para>
+		The module does not export any config parameter yet.
+		</para>
+	</section>
+
+	<section>
+	<title>Exported Functions</title>
+ 	<section>
+	    <title>
+		<function moreinfo="none">sdp_remove_codecs_by_id(list)</function>
+	    </title>
+	    <para>
+			Remove the codecs provided in the parameter 'list' from all
+			media streams found in SDP payload. The parameter 'list' must
+			be one or a comma separated list of numeric codec IDs. The
+			parameter can be a static string or a variable holding the
+			list of numeric codec IDs.
+	    </para>
+		<example>
+		<title><function>sdp_remove_codecs_by_id</function> usage</title>
+		<programlisting format="linespecific">
+...
+# remove PCMU
+sdp_remove_codecs_by_id("0");
+# remove PCMU, PCMA and GSM
+sdp_remove_codecs_by_id("0,8,3");
+...
+</programlisting>
+	    </example>
+	</section>
+	</section>
+</chapter>
+