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If you are using a VoIP phone system Wholesale Jerseys From China , there is a good chance you have experienced poor call quality. This article discusses the causes of VoIP call quality problems and what you can do to correct them.


The causes of poor quality VoIP calls are easy to diagnose and correct. Your VoIP Service Provider should be able to identify and work with you to correct these problems. More importantly, these problems should not be ongoing. If your VoIP Service Provider is unable to correct your call quality problems, you need to find a different provider.


5 Most Likely Causes of Poor VoIP Calls and How You Can Fix Them:


1. The Problem: Jitter


Jitter is a common problem of the connectionless networks or packet switched networks. Because the information (voice packets) is divided into packets, each packet can travel by a different path from the sender to the receiver. When packets arrive at their intended destination in a different order then they were originally sent Wholesale Jerseys , the result is a call with poor or scrambled audio.


Jitter is technically the measure of the variability over time of the latency across a network. Jitter is one of the most common VoIP call quality problems.


The Solution: Use Jitter Buffers


A jitter buffer temporarily stores arriving packets in order to minimize delay variations. If packets arrive too late then they are discarded.


2. The Problem: Latency


VoIP delay or latency is characterized as the amount of time it takes for speech to exit the speaker鈥檚 mouth and reach the listener鈥檚 ear. Latency sounds like an echo.


There are 3 types of delay commonly found in today鈥檚 VoIP networks;


1. Propagation Delay: Light travels through a vacuum at a speed of 186,000 miles per second, and electrons travel through copper or fiber at approximately 125, 000 miles per second. A fiber network stretching halfway around the world (13 Cheap NFL Football Jerseys , 000 miles) induces a one-way delay of about 70 milliseconds (70 ms). Although this delay is almost imperceptible to the human ear, propagation delays in conjunction with handling delays can cause noticeable speech degradation.


2. Handling Delay: Devices that forward the frame through the network cause handling delay. Handling delays can impact traditional phone networks, but these delays are a larger issue in packetized environments.


3. Queuing Delay: When packets are held in a queue because of congestion on an outbound interface, the result is queuing delay. Queuing delay occurs when more packets are sent out than the interface can handle at a given interval.


The Solution: Prioritize


Prioritizing VoIP traffic over the network yields latency and jitter improvements. Policy based network management Cheap Football Jerseys , bandwidth reservation, Type of Service, Class of Service, and Multi-Protocol Label Switching (MPLS) are all widely used techniques for prioritizing VoIP traffic. A quality VoIP router can solve many of these issues and will result in business quality Hosted VoIP PBX phone service.


3. The Problem: Poor Internet Connection


Most ISP鈥檚 are designed for web surfing and not VoIP advantages. Transporting voice packets is different and requires an additional set of internet protocols that your ISP may not be providing.


The Solution: Business Class High Speed


Fortunately Cheap Nike NFL Jerseys , most of the ISP鈥檚, including cable and DSL high speed internet providers offer business class high speed internet service that is acceptable.


4. The Problem: Inadequate Router


Bad equipment is bad equipment.


The Solution: Install a Specialized VoIP Router


This is one of the most common causes of call quality issues. Many small businesses use their internet connection for both voice and data. This is perfectly fine as long as your router has the ability to prioritize VoIP traffic.


Without a router that is configured for packet prioritization, call quality can be impacted by the other users on your network. For example, if during a call Cheap NFL Jerseys Wholesale , another user on your network downloads a large file, without packet prioritization, your call quality could be degraded. A VoIP router prevents this from happening by giving priority to voice traffic on your network.


VoIP routers are not an expensive piece of hardware. A VoIP router for a small business ranges from $300.00 for a five person office to under $1,000.00 for a 25-person office.


5. The Problem: Internal Network Improperly Configured


VoIP is less than 10-years old. Many companies do not consider the higher quality demands of VoIP communications. If your company decides to route both voice and data over the same network without properly configuring your network for VoIP traffic Cheap NFL Jerseys Online , you can expect to have call quality issues.


The Solution: Network Configuration


This is one of the easiest and least expensive problems to correct. A Business VoIP capable router that is properly configured will generally solve the problem.




If you would like to learn more about how AVAD Technologies can help your company convert to a Hosted VoIP phone service, please call (800) 733-4136 to speak with a Business VoIP Specialist or you can complete a short VoIP Quote Request Form.


Check out for Business VoIP services and Hosted VoIP phone system



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