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How Your Internet Connection Affects VoIP Call Quality

Dave Haggblad - Monday, July 13, 2015 |

Issues can affect your voip call quality Small and large offices have happily adopted VOIP technology to enjoy lower phone bills, easy availability of phone lines, voice emails and other perks. However, some businesses are now struggling with poor quality of phone calls. People accustomed to the voice clarity of landlines wherein calls do not drop and there is little chance of jitter and static, dislike the potential drawbacks of VOIP and are still reluctant to adopt this technology.

Here are valid reasons for the problems you may face with VOIP connection at work

  1. Problem of jitter – This problem has been consistent since the early days of VOIP in which the audio quality is jittery and scrambled and listeners on both sides are unable to comprehend each other’s words. Jitter occurs in switched packet internet networks wherein voice is divided into packets and sent through different paths to the receiver who does not receive it in the same sequence as the packets were sent. The time gap between each packet can lead to scrambled messages and words, which is called a jitter.
  2. Latency problem – It refers to a prolonged delay between the time a message leaves the speaker’s mouth and reaches the ear of listener which makes it sound like an echo. The most common forms of voice delays found in VOIP networks are
    1. Propagation – Fiber optic networks sometimes be delayed when traveling through several thousand miles which can lead to handling delays if network connectivity is poor, leading to speech degradation.
    2. Handling – When packets travel through multiple phone networks, they can sometimes get delayed as they are handed off between the networks.
    3. Queuing – The problem occurs when packets sent are over and above the capacity of the receiver’s interface within a particular period of time.
  3. Poor internet connection and inadequate router – Most internet service providers in the market today have the capacity to provide basic internet surfing bandwidth, but may be unable to manage the heavy bandwidth required by VOIP phones. The problem has now been solved by many of the top internet service providers that provide high speed bandwidth and DSL lines for corporate customers. An unsuitable router is a common problem with small businesses, who try to manage costs with low quality equipment when they need the engineering and design of a higher end router. A poor quality router can have problems while receiving or sending large packets and can compromise the voice quality of your VOIP phones.

Strong, high quality, high speed internet connection is essential before you try to use VOIP telephone at your home or office for clear conversation.


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