diff --git a/Manuals/HowTos/Dialup/Client.ent b/Manuals/HowTos/Dialup/Client.ent
index c89c2b8..ad1d416 100644
--- a/Manuals/HowTos/Dialup/Client.ent
+++ b/Manuals/HowTos/Dialup/Client.ent
@@ -1,10 +1,15 @@
 <!ENTITY client                     SYSTEM "Client.docbook">
+<!ENTITY client-usage               SYSTEM "Client/Usage.docbook">
+<!ENTITY client-usage-overview      SYSTEM "Client/Usage/overview.docbook">
 <!ENTITY client-install             SYSTEM "Client/Install.docbook">
 <!ENTITY client-install-overview    SYSTEM "Client/Install/overview.docbook">
-<!ENTITY client-install-hardware    SYSTEM "Client/Install/hardware.docbook">
-<!ENTITY client-install-software    SYSTEM "Client/Install/software.docbook">
+<!ENTITY client-install-modem       SYSTEM "Client/Install/modem.docbook">
+<!ENTITY client-install-pppd        SYSTEM "Client/Install/pppd.docbook">
+<!ENTITY client-install-wvdial      SYSTEM "Client/Install/wvdial.docbook">
+<!ENTITY client-install-scn         SYSTEM "Client/Install/scn.docbook">
 <!ENTITY client-config              SYSTEM "Client/Config.docbook">
 <!ENTITY client-config-overview     SYSTEM "Client/Config/overview.docbook">
-<!ENTITY client-config-hardware     SYSTEM "Client/Config/hardware.docbook">
-<!ENTITY client-config-software     SYSTEM "Client/Config/software.docbook">
-<!ENTITY client-usage               SYSTEM "Client/Usage.docbook">
+<!ENTITY client-config-modem        SYSTEM "Client/Config/modem.docbook">
+<!ENTITY client-config-pppd         SYSTEM "Client/Config/pppd.docbook">
+<!ENTITY client-config-wvdial       SYSTEM "Client/Config/wvdial.docbook">
+<!ENTITY client-config-scn          SYSTEM "Client/Config/scn.docbook">
diff --git a/Manuals/HowTos/Dialup/Client/Config.docbook b/Manuals/HowTos/Dialup/Client/Config.docbook
index 6396561..3f8064c 100644
--- a/Manuals/HowTos/Dialup/Client/Config.docbook
+++ b/Manuals/HowTos/Dialup/Client/Config.docbook
@@ -3,7 +3,9 @@
     <title>Dial-Up Client Configuration</title>
 
     &client-config-overview;
-    &client-config-hardware;
-    &client-config-software;
+    &client-config-modem;
+    &client-config-pppd;
+    &client-config-wvdial;
+    &client-config-scn;
 
 </chapter>
diff --git a/Manuals/HowTos/Dialup/Client/Config/modem.docbook b/Manuals/HowTos/Dialup/Client/Config/modem.docbook
new file mode 100644
index 0000000..21df06e
--- /dev/null
+++ b/Manuals/HowTos/Dialup/Client/Config/modem.docbook
@@ -0,0 +1,9 @@
+<sect1 id="client-config-hardware">
+
+    <title>Configuring Modem Hardware</title>
+
+    <para>
+        ...
+    </para>
+
+</sect1>
diff --git a/Manuals/HowTos/Dialup/Client/Config/pppd.docbook b/Manuals/HowTos/Dialup/Client/Config/pppd.docbook
new file mode 100644
index 0000000..c46501e
--- /dev/null
+++ b/Manuals/HowTos/Dialup/Client/Config/pppd.docbook
@@ -0,0 +1,8 @@
+<sect1 id="client-config-pppd">
+
+    <title>Configuring <package>pppd</package> Package</title>
+    <para>
+        ...
+    </para>
+
+</sect1>
diff --git a/Manuals/HowTos/Dialup/Client/Config/scn.docbook b/Manuals/HowTos/Dialup/Client/Config/scn.docbook
new file mode 100644
index 0000000..63bc71a
--- /dev/null
+++ b/Manuals/HowTos/Dialup/Client/Config/scn.docbook
@@ -0,0 +1,8 @@
+<sect1 id="client-config-scn">
+
+    <title>Configuring <package>system-config-network</package> Package</title>
+    <para>
+        ...
+    </para>
+
+</sect1>
diff --git a/Manuals/HowTos/Dialup/Client/Config/wvdial.docbook b/Manuals/HowTos/Dialup/Client/Config/wvdial.docbook
new file mode 100644
index 0000000..bedda86
--- /dev/null
+++ b/Manuals/HowTos/Dialup/Client/Config/wvdial.docbook
@@ -0,0 +1,9 @@
+<sect1 id="client-config-wvdial">
+
+    <title>Configuring <package>wvdial</package> Package</title>
+
+    <para>
+        ...
+    </para>
+
+</sect1>
diff --git a/Manuals/HowTos/Dialup/Client/Install.docbook b/Manuals/HowTos/Dialup/Client/Install.docbook
index 6753e7d..fc1c470 100644
--- a/Manuals/HowTos/Dialup/Client/Install.docbook
+++ b/Manuals/HowTos/Dialup/Client/Install.docbook
@@ -3,7 +3,9 @@
     <title>Dial-Up Client Installation</title>
 
     &client-install-overview;
-    &client-install-hardware;
-    &client-install-software;
+    &client-install-modem;
+    &client-install-pppd;
+    &client-install-wvdial;
+    &client-install-scn;
 
 </chapter>
diff --git a/Manuals/HowTos/Dialup/Client/Install/modem.docbook b/Manuals/HowTos/Dialup/Client/Install/modem.docbook
new file mode 100644
index 0000000..c879194
--- /dev/null
+++ b/Manuals/HowTos/Dialup/Client/Install/modem.docbook
@@ -0,0 +1,9 @@
+<sect1 id="client-install-hardware">
+
+    <title>Installing Modem Hardware</title>
+
+    <para>
+        ...
+    </para>
+
+</sect1>
diff --git a/Manuals/HowTos/Dialup/Client/Install/pppd.docbook b/Manuals/HowTos/Dialup/Client/Install/pppd.docbook
new file mode 100644
index 0000000..0ac5fe4
--- /dev/null
+++ b/Manuals/HowTos/Dialup/Client/Install/pppd.docbook
@@ -0,0 +1,8 @@
+<sect1 id="client-install-pppd">
+
+    <title>Installing <package>pppd</package> Package</title>
+    <para>
+        ...
+    </para>
+
+</sect1>
diff --git a/Manuals/HowTos/Dialup/Client/Install/scn.docbook b/Manuals/HowTos/Dialup/Client/Install/scn.docbook
new file mode 100644
index 0000000..4215391
--- /dev/null
+++ b/Manuals/HowTos/Dialup/Client/Install/scn.docbook
@@ -0,0 +1,9 @@
+<sect1 id="client-install-scn">
+
+    <title>Installing <package>system-config-network</package> Package</title>
+
+    <para>
+        ...
+    </para>
+
+</sect1>
diff --git a/Manuals/HowTos/Dialup/Client/Install/wvdial.docbook b/Manuals/HowTos/Dialup/Client/Install/wvdial.docbook
new file mode 100644
index 0000000..3f5813f
--- /dev/null
+++ b/Manuals/HowTos/Dialup/Client/Install/wvdial.docbook
@@ -0,0 +1,9 @@
+<sect1 id="client-install-wvdial">
+
+    <title>Installing <package>wvdial</package> Package</title>
+
+    <para>
+        ...
+    </para>
+
+</sect1>
diff --git a/Manuals/HowTos/Dialup/Client/Usage.docbook b/Manuals/HowTos/Dialup/Client/Usage.docbook
index 281aca0..af40f42 100644
--- a/Manuals/HowTos/Dialup/Client/Usage.docbook
+++ b/Manuals/HowTos/Dialup/Client/Usage.docbook
@@ -2,8 +2,6 @@
 
     <title>Dial-Up Client Usage</title>
 
-    <para>
-        ...
-    </para>
+    &client-usage-overview;
 
 </chapter>
diff --git a/Manuals/HowTos/Dialup/Client/Usage/overview.docbook b/Manuals/HowTos/Dialup/Client/Usage/overview.docbook
new file mode 100644
index 0000000..a8f32d8
--- /dev/null
+++ b/Manuals/HowTos/Dialup/Client/Usage/overview.docbook
@@ -0,0 +1,9 @@
+<sect1 id="client-usage-overview">
+
+    <title>Overview</title>
+
+    <para>
+        ...
+    </para>
+
+</sect1>
diff --git a/Manuals/HowTos/Dialup/Server/Config.docbook b/Manuals/HowTos/Dialup/Server/Config.docbook
index 40c442b..88ebf36 100644
--- a/Manuals/HowTos/Dialup/Server/Config.docbook
+++ b/Manuals/HowTos/Dialup/Server/Config.docbook
@@ -3,7 +3,9 @@
     <title>Dial-Up Server Configuration</title>
 
     &server-config-overview;
-    &server-config-hardware;
-    &server-config-software;
+    &server-config-modem;
+    &server-config-mgetty;
+    &server-config-pppd;
+    &server-config-wvdial;
 
 </chapter>
diff --git a/Manuals/HowTos/Dialup/Server/Config/hardware.docbook b/Manuals/HowTos/Dialup/Server/Config/hardware.docbook
deleted file mode 100644
index 4660bc4..0000000
--- a/Manuals/HowTos/Dialup/Server/Config/hardware.docbook
+++ /dev/null
@@ -1,9 +0,0 @@
-<sect1 id="server-config-hardware">
-
-    <title>Configuring Server Hardware</title>
-
-    <para>
-        ...
-    </para>
-
-</sect1>
diff --git a/Manuals/HowTos/Dialup/Server/Config/mgetty.docbook b/Manuals/HowTos/Dialup/Server/Config/mgetty.docbook
new file mode 100644
index 0000000..7b193df
--- /dev/null
+++ b/Manuals/HowTos/Dialup/Server/Config/mgetty.docbook
@@ -0,0 +1,9 @@
+<sect1 id="server-config-mgetty">
+
+    <title>Configuring <package>mgetty</package> Package</title>
+    <para>
+        ...
+    </para>
+
+</sect1>
+
diff --git a/Manuals/HowTos/Dialup/Server/Config/modem.docbook b/Manuals/HowTos/Dialup/Server/Config/modem.docbook
new file mode 100644
index 0000000..3cec53a
--- /dev/null
+++ b/Manuals/HowTos/Dialup/Server/Config/modem.docbook
@@ -0,0 +1,9 @@
+<sect1 id="server-config-hardware">
+
+    <title>Configuring Modem Hardware</title>
+
+    <para>
+        ...
+    </para>
+
+</sect1>
diff --git a/Manuals/HowTos/Dialup/Server/Config/pppd.docbook b/Manuals/HowTos/Dialup/Server/Config/pppd.docbook
new file mode 100644
index 0000000..fd3be5c
--- /dev/null
+++ b/Manuals/HowTos/Dialup/Server/Config/pppd.docbook
@@ -0,0 +1,8 @@
+<sect1 id="server-config-pppd">
+
+    <title>Configuring <package>pppd</package> Package</title>
+    <para>
+        ...
+    </para>
+
+</sect1>
diff --git a/Manuals/HowTos/Dialup/Server/Config/software.docbook b/Manuals/HowTos/Dialup/Server/Config/software.docbook
deleted file mode 100644
index e9c1e44..0000000
--- a/Manuals/HowTos/Dialup/Server/Config/software.docbook
+++ /dev/null
@@ -1,30 +0,0 @@
-<sect1 id="server-config-pppd">
-
-    <title>Configuring Server Software</title>
-
-    <para>
-        ...
-    </para>
-
-    <sect2 id="server-config-software-mgetty">
-    <title>Configuring <package>mgetty</package> Package</title>
-    <para>
-        ...
-    </para>
-    </sect2>
-
-    <sect2 id="server-config-software-pppd">
-    <title>Configuring <package>pppd</package> Package</title>
-    <para>
-        ...
-    </para>
-    </sect2>
-
-    <sect2 id="server-config-software-wvdial">
-    <title>Configuring <package>wvdial</package> Package</title>
-    <para>
-        ...
-    </para>
-    </sect2>
-
-</sect1>
diff --git a/Manuals/HowTos/Dialup/Server/Config/wvdial.docbook b/Manuals/HowTos/Dialup/Server/Config/wvdial.docbook
new file mode 100644
index 0000000..ee97a72
--- /dev/null
+++ b/Manuals/HowTos/Dialup/Server/Config/wvdial.docbook
@@ -0,0 +1,9 @@
+<sect1 id="server-config-wvdial">
+
+    <title>Configuring <package>wvdial</package> Package</title>
+
+    <para>
+        ...
+    </para>
+
+</sect1>
diff --git a/Manuals/HowTos/Dialup/Server/Install.docbook b/Manuals/HowTos/Dialup/Server/Install.docbook
index fcc98c2..80989b5 100644
--- a/Manuals/HowTos/Dialup/Server/Install.docbook
+++ b/Manuals/HowTos/Dialup/Server/Install.docbook
@@ -3,7 +3,9 @@
     <title>Dial-Up Server Installation</title>
 
     &server-install-overview;
-    &server-install-hardware;
-    &server-install-software;
+    &server-install-modem;
+    &server-install-mgetty;
+    &server-install-pppd;
+    &server-install-wvdial;
 
 </chapter>
diff --git a/Manuals/HowTos/Dialup/Server/Install/hardware.docbook b/Manuals/HowTos/Dialup/Server/Install/hardware.docbook
deleted file mode 100644
index 72b37bb..0000000
--- a/Manuals/HowTos/Dialup/Server/Install/hardware.docbook
+++ /dev/null
@@ -1,61 +0,0 @@
-<sect1 id="server-install-hardware">
-
-    <title>Installing Server Hardware</title>
-
-    <para>
-        In order to establish a PPP link between two computers using
-        the telephone line as medium for data transmission, you need
-        to install (at least) one modem device in each computer.
-    </para>
-
-    <para>
-        To install a modem device in computer you need to attach the
-        modem hardware to the computer and later the telephone line to
-        the modem hardware. To connect the modem to your computer, you
-        need to connect the serial or USB cable that comes from the
-        modem hardware to the appropriate input on your computer. To
-        connect the modem to the telephone line system, you need to
-        unplug the cable that connects your telephone device and plug
-        it on the modem device, specifically in the port reserved for
-        data transmission.  Later, using a similar cable, you could
-        connect your telephone device to the modem's telephone port,
-        so you can realize telephone calls when no data transmition
-        take place.
-    </para>
-
-    <para>
-        To be on the safe side, do all the installation with the
-        computer turned off. Then, when everthing has been put in
-        place, turn it on. Once the system is up, you can verify the
-        modem hardware using either the <command>lsusb</command> or
-        <command>lspci</command> commands. These commands need to be
-        run with administrative privileges, so probably need to
-        <command>sudo</command> them or login as <systemitem
-        class="username">root</systemitem> user in order to execute
-        thme. For example, assuming you are logged in as root user,
-        and you are using an USB modem like that one we mentioned
-        before, the output of <command>lsusb</command> command would
-        look like the following:
-    </para>
-
-<screen>
-Bus 003 Device 001: ID 0000:0000  
-Bus 001 Device 001: ID 0000:0000  
-Bus 001 Device 002: ID 058f:6366 Alcor Micro Corp. Multi Flash Reader
-Bus 002 Device 001: ID 0000:0000  
-Bus 005 Device 003: ID 06e0:f104 Multi-Tech Systems, Inc.
-MT5634ZBA-USB MultiModemUSB (new firmware)
-Bus 005 Device 001: ID 0000:0000  
-Bus 005 Device 002: ID 046d:c018 Logitech, Inc. Optical Wheel Mouse
-Bus 004 Device 001: ID 0000:0000 
-</screen>
-
-    <para>
-        The relevant line here is that mentioning the existence of a
-        <code>Multi-Tech System, Inc. MT5634ZBA-USB MultiModemUSB (new
-        firmware)</code> device. If the modem you installed doesn't
-        appear in this list, it is probably because such hardware is
-        not supported by &TCD;, yet.
-    </para>
-
-</sect1>
diff --git a/Manuals/HowTos/Dialup/Server/Install/mgetty.docbook b/Manuals/HowTos/Dialup/Server/Install/mgetty.docbook
new file mode 100644
index 0000000..7901a59
--- /dev/null
+++ b/Manuals/HowTos/Dialup/Server/Install/mgetty.docbook
@@ -0,0 +1,9 @@
+<sect1 id="server-install-mgetty">
+
+    <title>Installing <package>mgetty</package> Package</title>
+    <para>
+        ...
+    </para>
+
+</sect1>
+
diff --git a/Manuals/HowTos/Dialup/Server/Install/modem.docbook b/Manuals/HowTos/Dialup/Server/Install/modem.docbook
new file mode 100644
index 0000000..b68c3e0
--- /dev/null
+++ b/Manuals/HowTos/Dialup/Server/Install/modem.docbook
@@ -0,0 +1,58 @@
+<sect1 id="server-install-modem">
+
+    <title>Installing Modem Hardware</title>
+
+    <para>
+        In order to establish a PPP link between two computers using
+        the telephone line as medium for data transmission, you need
+        to install (at least) one modem device in each computer.  To
+        install a modem device in computer you need to attach the
+        modem hardware to the computer and later the telephone line to
+        the modem hardware. To connect the modem to your computer, you
+        need to connect the serial or USB cable that comes from the
+        modem hardware to the appropriate input on your computer. To
+        connect the modem to the telephone line system, you need to
+        unplug the cable that connects your telephone device and plug
+        it on the modem device, specifically in the port reserved for
+        data transmission.  Later, using a similar cable, you could
+        connect your telephone device to the modem's telephone port,
+        so you can realize telephone calls when no data transmition
+        take place.
+    </para>
+
+    <para>
+        To be on the safe side, do all the installation with the
+        computer turned off. Then, when everthing has been put in
+        place, turn it on. Once the system is up, you can verify the
+        modem hardware using either the <command>lsusb</command> or
+        <command>lspci</command> commands. These commands need to be
+        run with administrative privileges, so probably need to
+        <command>sudo</command> them or login as <systemitem
+        class="username">root</systemitem> user in order to execute
+        thme. For example, assuming you are logged in as root user,
+        and you are using an USB modem like that one we mentioned
+        before, the output of <command>lsusb</command> command would
+        look like the following:
+    </para>
+
+<screen>
+Bus 003 Device 001: ID 0000:0000  
+Bus 001 Device 001: ID 0000:0000  
+Bus 001 Device 002: ID 058f:6366 Alcor Micro Corp. Multi Flash Reader
+Bus 002 Device 001: ID 0000:0000  
+Bus 005 Device 003: ID 06e0:f104 Multi-Tech Systems, Inc.
+MT5634ZBA-USB MultiModemUSB (new firmware)
+Bus 005 Device 001: ID 0000:0000  
+Bus 005 Device 002: ID 046d:c018 Logitech, Inc. Optical Wheel Mouse
+Bus 004 Device 001: ID 0000:0000 
+</screen>
+
+    <para>
+        The relevant line here is that mentioning the existence of a
+        <code>Multi-Tech System, Inc. MT5634ZBA-USB MultiModemUSB (new
+        firmware)</code> device. If the modem you installed doesn't
+        appear in this list, it is probably because such hardware is
+        not supported by &TCD;, yet.
+    </para>
+
+</sect1>
diff --git a/Manuals/HowTos/Dialup/Server/Install/pppd.docbook b/Manuals/HowTos/Dialup/Server/Install/pppd.docbook
new file mode 100644
index 0000000..cf8882a
--- /dev/null
+++ b/Manuals/HowTos/Dialup/Server/Install/pppd.docbook
@@ -0,0 +1,8 @@
+<sect1 id="server-install-pppd">
+
+    <title>Installing <package>pppd</package> Package</title>
+    <para>
+        ...
+    </para>
+
+</sect1>
diff --git a/Manuals/HowTos/Dialup/Server/Install/software.docbook b/Manuals/HowTos/Dialup/Server/Install/software.docbook
deleted file mode 100644
index b7f1591..0000000
--- a/Manuals/HowTos/Dialup/Server/Install/software.docbook
+++ /dev/null
@@ -1,9 +0,0 @@
-<sect1 id="server-install-wvdial">
-
-    <title>Installing <package>wvdial</package> Package</title>
-
-    <para>
-        ...
-    </para>
-
-</sect1>
diff --git a/Manuals/HowTos/Dialup/Server/Install/wvdial.docbook b/Manuals/HowTos/Dialup/Server/Install/wvdial.docbook
new file mode 100644
index 0000000..b7f1591
--- /dev/null
+++ b/Manuals/HowTos/Dialup/Server/Install/wvdial.docbook
@@ -0,0 +1,9 @@
+<sect1 id="server-install-wvdial">
+
+    <title>Installing <package>wvdial</package> Package</title>
+
+    <para>
+        ...
+    </para>
+
+</sect1>
diff --git a/Manuals/HowTos/Dialup/Server/Usage/auth.docbook b/Manuals/HowTos/Dialup/Server/Usage/auth.docbook
new file mode 100644
index 0000000..fde3908
--- /dev/null
+++ b/Manuals/HowTos/Dialup/Server/Usage/auth.docbook
@@ -0,0 +1,28 @@
+<sect1 id="server-usage-auth">
+
+    <title>Dial-Up Authentication</title>
+
+    <para>
+        The credential required by the client computers to establish
+        dial-up connection with the server computer are always the
+        same. There is only one public username and password for all
+        client computers that must be used in order to establish
+        dial-up connection with the server computer. This information
+        is the following:
+    </para>
+
+<screen>
+ ISP Name: projects.centos.org
+ISP Phone: +53043515094
+ Username: faith
+ Password: mail4u.2k10
+</screen>
+
+    <para>
+        The client computer can use this information to establish
+        connection to the server computer using any telephone number
+        from 10:00PM to 12:00AM.
+    </para>
+
+</sect1>
+
diff --git a/Manuals/HowTos/Dialup/Server/Usage/lifetime.docbook b/Manuals/HowTos/Dialup/Server/Usage/lifetime.docbook
new file mode 100644
index 0000000..ec67cb8
--- /dev/null
+++ b/Manuals/HowTos/Dialup/Server/Usage/lifetime.docbook
@@ -0,0 +1,28 @@
+<sect1 id="server-usage-lifetime">
+
+    <title>Dial-Up Connection Lifetime</title>
+
+    <para>
+        The server computer restricts the lifetime of established
+        dial-up connections to 15 minutes from the establishment
+        moment on. Once the connection has been established, if the
+        link is idle for 1 minute, the server computer will also close
+        the established connection to free the telephone line.  This
+        control can be implemented through the
+        <option>maxconnect</option> and <option>idle</option> options
+        inside the <application>pppd</application>'s configuration
+        file.
+    </para>
+
+    <para>
+        The server computer allows incoming connections everyday from
+        10:00PM to 12:00AM. This control can be implemented through a
+        cron job and the <filename>/etc/nologin.ttyxx</filename> file;
+        where ttyxx represents the device name of your modem
+        (e.g., <filename>/etc/nologin.ttyACM0</filename> would prevent
+        the Modem device installed in
+        <filename>/dev/ttyACM0</filename> from answering calls).
+    </para>
+
+</sect1>
+
diff --git a/Manuals/HowTos/Dialup/Server/Usage/networking.docbook b/Manuals/HowTos/Dialup/Server/Usage/networking.docbook
new file mode 100644
index 0000000..a37c9f4
--- /dev/null
+++ b/Manuals/HowTos/Dialup/Server/Usage/networking.docbook
@@ -0,0 +1,35 @@
+<sect1 id="server-usage-network">
+
+    <title>Dial-Up Networking</title>
+
+    <para>
+        Once you establish connection with the server computer, you
+        are assigned the <systemitem
+        class="ipaddress">192.168.0.2</systemitem> IP address and the
+        <systemitem class="fqdomainname">faith.centos.org</systemitem>
+        name.  On the other side, the server computer has the
+        <systemitem class="ipaddress">192.168.0.1</systemitem> IP
+        address and the <systemitem
+        class="fqdomainname">projects.centos.org</systemitem> name. In
+        both cases, the addresses provided are inside the <systemitem
+        class="netmask">192.168.0/24</systemitem> network.  The
+        configuration would look as the following example illustrates:
+    </para>
+
+<screen>
+The Server Computer                               The Client Computer
+-----------------------                       -----------------------
+192.168.0.1/24 | Modem  ~~~ TelephoneLine ~~~  Modem | 192.168.0.2/24
+-----------------------                       -----------------------
+projects.centos.org                                  faith.centos.org
+</screen>
+
+    <para>
+        Notice that, before you can use this IP addresses and names,
+        they must be firstly configured that way by the system
+        administrator.  See ..., to know how to configure the IP
+        addresses and names in the server computer.
+    </para>
+
+</sect1>
+
diff --git a/Manuals/HowTos/Dialup/Server/Usage/overview.docbook b/Manuals/HowTos/Dialup/Server/Usage/overview.docbook
index 519e6fb..3239924 100644
--- a/Manuals/HowTos/Dialup/Server/Usage/overview.docbook
+++ b/Manuals/HowTos/Dialup/Server/Usage/overview.docbook
@@ -38,8 +38,8 @@
     <para>
         In order for the server computer to answer telephone calls, it
         is required to install a Modem device in it (see <xref
-        linkend="server-install-hardware" />). Once the Modem device
-        has been installed, you need to install and configure both
+        linkend="server-install-modem" />). Once the Modem device has
+        been installed, you need to install and configure both
         <application>mgetty</application> and
         <application>pppd</application> programs.  The
         <application>mgetty</application> program must be run by
diff --git a/Manuals/HowTos/Dialup/Server/Usage/phonelines.docbook b/Manuals/HowTos/Dialup/Server/Usage/phonelines.docbook
new file mode 100644
index 0000000..7a52e97
--- /dev/null
+++ b/Manuals/HowTos/Dialup/Server/Usage/phonelines.docbook
@@ -0,0 +1,20 @@
+<sect1 id="server-usage-phonelines">
+
+    <title>Dial-Up Telephone Lines</title>
+
+    <para>
+        In this configuration there is only one telephone line
+        available (e.g., +53043515094) in the server computer to
+        receive incoming calls.  The number of telephone lines
+        directly affects the possibilities a client computer has to
+        establish connection with the server computer in an
+        environment where more than one client computer are struggling
+        among themselves to establish a dial-up connection with the
+        server computer.  To prevent this issue from happening, it is
+        innevitable for the server computer to provide more telephone
+        lines for incoming calls (at least one for each user the
+        server computer expect to receive incoming calls from). Sadly,
+        that is not possible at present time.
+    </para>
+
+</sect1>