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<!-- Module User's Guide -->

<chapter xmlns:xi="http://www.w3.org/2001/XInclude">
	
	<title>&adminguide;</title>
	
	<section>
	<title>Overview</title>
	<para>
		This module provides on-server speed dial facilities. A user can store
		records consisting of pairs short numbers (2 digits) and SIP addresses
		into a table of &kamailio;. Then it can dial the two digits whenever it
		wants to call the SIP address associated with them.
	</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>database module (mysql, dbtext, ...)</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>Parameters</title>
	<section>
		<title><varname>db_url</varname> (string)</title>
		<para>
		The URL of database where the table containing speed dial records.
		</para>
		<para>
		<emphasis>
			Default value is DEFAULT_RODB_URL.
		</emphasis>
		</para>
		<example>
		<title>Set <varname>db_url</varname> parameter</title>
		<programlisting format="linespecific">
...
modparam("speeddial", "db_url", "&defaultdb;")
...
</programlisting>
		</example>
	</section>
	<section>
		<title><varname>user_column</varname> (string)</title>
		<para>
		The name of column storing the user name of the owner of the speed dial
		record.
		</para>
		<para>
		<emphasis>
			Default value is <quote>username</quote>.
		</emphasis>
		</para>
		<example>
		<title>Set <varname>user_column</varname> parameter</title>
		<programlisting format="linespecific">
...
modparam("speeddial", "user_column", "userid")
...
</programlisting>
		</example>
	</section>
	<section>
		<title><varname>domain_column</varname> (string)</title>
		<para>
		The name of column storing the domain of the owner of the speed dial
		record.
		</para>
		<para>
		<emphasis>
			Default value is  <quote>domain</quote>.
		</emphasis>
		</para>
		<example>
		<title>Set <varname>domain_column</varname> parameter</title>
		<programlisting format="linespecific">
...
modparam("speeddial", "domain_column", "userdomain")
...
</programlisting>
		</example>
	</section>
	<section>
		<title><varname>sd_user_column</varname> (string)</title>
		<para>
		The name of the column storing the user part of the short dial address.
		</para>
		<para>
		<emphasis>
			Default value is  <quote>sd_username</quote>.
		</emphasis>
		</para>
		<example>
		<title>Set <varname>sd_user_column</varname> parameter</title>
		<programlisting format="linespecific">
...
modparam("speeddial", "sd_user_column", "short_user")
...
</programlisting>
		</example>
	</section>
	<section>
		<title><varname>sd_domain_column</varname> (string)</title>
		<para>
		The name of the column storing the domain of the short dial address.
		</para>
		<para>
		<emphasis>
			Default value is  <quote>sd_domain</quote>.
		</emphasis>
		</para>
		<example>
		<title>Set <varname>sd_domain_column</varname> parameter</title>
		<programlisting format="linespecific">
...
modparam("speeddial", "sd_domain_column", "short_domain")
...
</programlisting>
		</example>
	</section>
	<section>
		<title><varname>new_uri_column</varname> (string)</title>
		<para>
		The name of the column containing the URI that will be use to replace
		the short dial URI.
		</para>
		<para>
		<emphasis>
			Default value is <quote>new_uri</quote>.
		</emphasis>
		</para>
		<example>
		<title>Set <varname>new_uri_column</varname> parameter</title>
		<programlisting format="linespecific">
...
modparam("speeddial", "new_uri_column", "real_uri")
...
</programlisting>
		</example>
	</section>
	<section>
		<title><varname>domain_prefix</varname> (string)</title>
		<para>
		If the domain of the owner (From URI) starts with the value of this parameter, then
		it is stripped before performing the lookup of the short number.
		</para>
		<para>
		<emphasis>
			Default value is NULL.
		</emphasis>
		</para>
		<example>
		<title>Set <varname>domain_prefix</varname> parameter</title>
		<programlisting format="linespecific">
...
modparam("speeddial", "domain_prefix", "tel.")
...
</programlisting>
		</example>
	</section>
	<section>
		<title><varname>use_domain</varname> (int)</title>
		<para>
		The parameter specifies whether or not to use the domain when searching a
		speed dial record (0 - no domain, 1 - use domain from From URI,
		2 - use both domains, from From URI and from request URI).
		</para>
		<para>
		<emphasis>
			Default value is 0.
		</emphasis>
		</para>
		<example>
		<title>Set <varname>use_domain</varname> parameter</title>
		<programlisting format="linespecific">
...
modparam("speeddial", "use_domain", 1)
...
</programlisting>
		</example>
	</section>
	</section>
	<section>
	<title>Functions</title>
	<section>
		<title>
		<function moreinfo="none">sd_lookup(table [, owner])</function>
		</title>
		<para>
		The function lookups the short dial number from R-URI in 'table' and replaces the R-URI with associated address.
		</para>
		<para>Meaning of the parameters is as follows:</para>
		<itemizedlist>
		<listitem>
			<para><emphasis>table</emphasis> - The name of the table storing the
			speed dial records.
			</para>
		</listitem>
		<listitem>
			<para><emphasis>owner</emphasis> - The SIP URI of the owner of
			short dialing codes. If not present, URI of From header is used.
			</para>
		</listitem>
		</itemizedlist>
		<para>
		This function can be used from REQUEST_ROUTE.
		</para>
		<example>
		<title><function>sd_lookup</function> usage</title>
		<programlisting format="linespecific">
...
# 'speed_dial' is the default table name created by kamailio db script
if(uri=~"sip:[0-9]{2}@.*")
	sd_lookup("speed_dial");
# use auth username
if(uri=~"sip:[0-9]{2}@.*")
	sd_lookup("speed_dial", "sip:$au@$fd");
...
</programlisting>
		</example>
	</section>
	</section>
	<section>
	<title>Installation and Running</title>
		<section>
		<title>&kamailio; config file</title>
		<para>
		Next picture displays a sample usage of speeddial.
		</para>
		<example>
		<title>&kamailio; config script - sample speeddial usage</title>
		<programlisting format="linespecific">
...
<xi:include href="speeddial.cfg" parse="text"/>
...
		</programlisting>
		</example>
	</section>
	</section>
</chapter>

