It is a fact that more and more business enterprise, regardless of their size and scale of operations, are switching over from the traditional telephone systems to Voice over Internet Protocol (VoIP) systems.Most of these organizations are upgrading their present conventional telephone system to a virtual PBX system which is also known as VoIP PBX and Hosted PBX. Before investing into a vOIP enabled PBX phone system, it will be worthwhile to study its salient features.Before opting for VoIP virtual PBX, it is advisable that you take as much time as you want to study the implications as communication is the nerve center of all businesses. You will have to necessarily ponder over the bandwidth requirements and other related issues before effecting the switch over to VoIP virtual PBX.While buying the business VoIP plan, make yourself familiar with the network infrastructure of your organization. Find out what hardware and systems are already in place and what further improvements will be required to support such an advanced technology.Whether you intend using your existing phones or plan to purchase new ones, make sure they can be operated through standard power over an Ethernet connection. To enjoy the full advantages of this advanced technology, all VoIP phones should also have integrated LAN switch ports to facilitate a single cable connection to an IP phone or computer.It is recommended that you should also determine the amount of bandwidth the virtual VoIP PBX service will require. Pleasew bear in mind that even though the present business operations may be low, it is always prudent to anticipate an increase in network traffic in the foreseeable future and plan the system upgrade accordingly.Here is a useful tip. The most effective way to reduce the amount of bandwidth a business VoIP solution will need is to select codecs that encodes voice stream when transmitting data over network wires. It is to be noted that the transfer rate of codecs ranges from 8 to 64 Kbps but you need to determine which provides a quality acceptable for your business.When incorporating a business VoIP solution, it is critically important to figure out how 911 calls can be placed in the new system. This technology is somewhat complex as a VoIP device does not indicate the physical location. The major reason for this is that the phone can be used from virtually anywhere and moved to different network jacks. For emergency situations, it is safer to maintain an analog phone.Using a alarge VoIP PBX system generally means that a large number of employees will need training on how to use the new system and avail the concomittent features. It is best to arrange some tutorials on how network devices work as also FAQ sheets for continuous upgadaton of knowledge.PBX is abbreviation used for a private branch exchange or a telephone exchange system that serves one’s business. Earlier, a PBX was designed to allow companies to control their phone systems through in-house operators. Giant steps have since been taken and instead of merely connecting calls, these systems also connect fax machines, computer modems etc that route through the phone lines.To sum it up, a virtual PBX system should considerably reduce the time the business enterprises spend managing communications and thereby contribute towards increased productivity. Businesses that have remote employees or work in multiple locations may find a virtual PBX system a veritable boon to keep in touch everyone in the company.