Choosing the Right business telephone System Depending on your daily call volume and number of employees, one of the following business telephone systems may suit your needs:

PBX: A very flexible solution for the modern office, the private branch exchange (PBX) connects employees  within an office, allowing them to call desk extensions directly. Additionally, a PBX telephone system allows for a number of outside phone lines, which are then shared by the employees.There are also many other options available on a business telephone system such as voicemail and PC based applications.

VoIP: Using existing data lines for telephone calls, also known as IP telephony, is a concept that's growing in popularity in the workplace. Your employees can plug handsets into a data point that can be used instantly on your existing network. These phones use "voice over Internet protocol (VoIP)," which delivers a clear and clean phone signal. There are many vendors that manufacture VoIP PBX's but my choice is Avaya seeing that Avaya created the VoIP protocol and have very robust systems available.

Key system units: An old, dependable concept that's still alive and kicking, key system units (KSU) are desktop phones controlled by a row of buttons. The employee selects a phone line by pressing a button and places a caller on hold to take another call by depressing another button. Modern KSU have been called a "hybrid" in many trade publications, joining together the best features of the old push-button phones and the more versatile PBX systems.

The Proof is in the Service

Business telephone systems may look different, but they all operate on the same basic principles. The differences are in the features, such as whether you choose to play music for clients on hold or let your employees retrieve their voice mail remotely.

Securing your VOIP PBX

So with any application, a VoIP telephone system needs to be safe, and this article outlines some crucial things you can do to keep your telephone system secure:

1. Install your telephone system behind a firewallThe most fundamental step that you can carry out is to install your telephone system behind a firewall. Open no more than the ports that you need: If you use external extensions and bridges, you can go for to use the 3CX tunnel and just open a single port intended for the tunnel.

2. Ensure resilient extension passwords

Weak extension passwords are exceedingly risky. Do not use the extension number the same as the pin code or password. Ensure that you use tough, random passwords to prevent remote hackers registering with their soft phone to your PBX. As straightforward and obvious as this may perhaps sound, weak extension passwords are the number one source of security breaches.

3 Keep your windows up to date

Windows can without human intervention download vital updates. This means your OS is protected against serious vulnerabilities. Out of the box, and up to date, a Windows Server System is pretty secure.

4 Check your call logs weekly, better on a daily basis

Check your call logs weekly or better day after day. This way you can quickly pick up on mishandling of the telephone system by either hackers or else indeed legitimate users of the telephone system. Use the inbuilt call reports to check calling trends.

5 Use an IP PBX that is security tested

Even if your Operating system is fully safe, and your firewall is accurately configured, you depend on how securely your telephone system has been coded. 3CX is built on .NET (which has many inbuilt security features) and it is methodically tested by outside security consultants.

6. Use a VPN.

If you require to add an extra layer of security, use a VPN. Avaya telephone Systems fully support the use of VPNs - use the free openVPN for Windows and secure bridges and external extensions with no trouble and cheaply.

7. Lock down which IPs otherwise networks can access the telephone system.

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