Trunks—Connecting to the Outside World Using 3CX
In the chapter, "Trunks—Connecting to the Outside World " there is a discussion on why one needs a trunk, what one needs for a PSTN line, what to look for in a VoIP provider, the equipment needed, analog lines, call quality, disaster recovery, and fi nally how to integrate a trunk into 3CX using the easy-to-use wizards.

3 Ways of System Restore to Remove Windows Problems
Introduce three main ways to restore system. System restore is an effective way to solve most of system problems. Traditional methods of system restore have more or less limitations and new way has made great progress.

The Essential Software for Your New PC
Installing the essential software to make your new PC/computer/notebook/laptop helpful instead of a big white elephant.

9 measures to secure your new notebook system - keep it running fast and smooth!
Nine secure notebook solutions mean to help you to against your new PC from all threats that protect your notebook and keep it running fast and smooth.

DLL (Dynamic Link Library) File Information
If you are running a Windows application and receiving a 1157 (ERROR_DLL_NOT_FOUND) error, or "LoadLibrary("xxx.dll") failed - The specified module could not be found" message, it is most likely that your application requires a DLL file that is not available on your Windows system. How can you find more information about the required DLL file? And where you should go to download the required DLL file? dll.fyicenter.com provides you detailed information on many commonly used DLL files. You can use the search function to find more information like date, size, and dependencies for a given DLL file. dll.fyicenter.com also provides you information on how to download DLL each file.

How to connect VLAN Trunks with ISL (InterSwitch Link)
In this tutorial, you will learn how to connect VLAN Trunks with ISL (InterSwitch Link)

How to Configure Ethernet Interface Speed and Duplex Settings on Cisco Router
In this tutorial, you will learn how to configure different Ethernet interface features on Cisco router. You will learn how to set up Ethernet duplex and speed settings.

How to Configure ATM Subinterfaces' ATM PVCs Configurations.
In this tutorial you will learn how to configure ATM Sub Interfaces. Also, learn how to configure ATM PVCs

How to Configure an Async Serial Interface
In this tutorial you will learn how to configure an Async serial interface.

How to configure an Internal T1 CSU/DSU
In this tutorial you will learn how to configure an internal T1 CSU/DSU

How to configure Internal 56 Kbps CSU/DSU
In this tutorial you will learn how to configure internal 56Kbps CSU/DSU.

Configurations of Internal ISDN PRI Module
In this tutorial you will learn how to configure an internal ISDN PRI Module.

How to check the Status of a Cisco Router Interface
In this tutorial, you will learn how to view/check the status of Serial and Ethernet interfaces of a router.

How to Configure a Serial Interface of Cisco Router
For routers serial interface configurations, you have to define encapsulation, IP address and the interface if it is DCE or DTE. You can also set the bandwidth and MTU for specific serial interface.

How do I recover the Cisco Router Password?
In this tutorial you will learn how to recover a Cisco Router Password. To recover a router password Startup the router and disrupt the boot sequence by putting a break to take the router into ROM