Terrible Teleconferencing Troubles

With COVID-19 still affecting the vast majority of businesses across the globe, causing most workers and agents to remote work, the need for teleconferencing has risen tenfold. In a recent study of 300 people conducted by Vidyard, 94% of study participants stated that they are now using real-time, synchronous video conferencing for work-related purposes. This increasing sophistication allows for an increase in user participation and hence allows for much greater productivity between geographically diverse workforces.

While voice still remains the most effective and popular channel for engagement, over 87% of study participants reported using more video conferencing than ever before. However, despite its popularity, teleconferencing still presents a number of frustrating problems that can cause users to experience call issues. Teleconferencing can only work flawlessly when it’s properly supported on both an infrastructure and a user level.

While service providers will specify that their telecoms partners provide inbound toll and toll-free numbers without concurrent user limitations, configuration issues have been known to impose limits. Where individual phone numbers do not have a restriction, network capacity constraints can also hinder access to the conference.  


Problems on the call

Users dialing into a conference may experience a confusing post-dial delay, busy or fast-busy tones, or network messages advising of congestion. Once connected, entry to the conference is often by a passcode only which requires the accurate transmission of touch-tone signals (DTMF tones), these too can be degraded between the user and the service, so that the conferencing platform is unable to acknowledge and authenticate access.

When participants have successfully connected, audio quality is the main concern. The objective of a meeting is communication, and communication requires a clear audio channel to support conversation. Audio quality can be impacted by many things, and the number of influencing factors is now growing as more technologies support user connections via PSTN, VoIP, GSM, SIP, etc.  Below are a number of issues that can interfere with conversations and prevent some users from participating:  

  1. Audio Delay/Latency
    Some conference suppliers purposefully pause sound between voice and transmit silence automatically for a few seconds. This helps to avoid feedback and other issues with noise. However, sometimes failures in audio software can cause further pause, otherwise known as ‘delays’. This contributes to lengthy delays between the speech of one person and the reaction of another. For companies, this is difficult because individuals can sometimes see audio pauses as evidence of incompetence, rather than understanding the irritating ‘talk over’ problem. Too much strain on the network resources at a local level will cause the calls to delay longer, causing the conferences to halt to a standstill.  
  2. Echo
    Echo and audio feedback are two of the most common, and most irritating problems which you can face in a call. Echo can be caused by two or more call participants being located in the same room, but on individual equipment, with the audio cross-contaminating microphone inputs. It can also be caused by network issues, cabling, equipment configurations, or even a single user’s own speaker feeding back into his/her microphone.   
  3. Feedback
    Similarly to echo,  feedback can occur because some audio conference services can not immediately block devices that cause audio problems. It should also be checked that each caller connecting to a meeting through a laptop computer uses headsets and that their inner speakers and microphones are disabled, otherwise, noise can be recycled back into the inner microphone from the speakers.  
  4. Jitter & Packet Loss
    Spearline recently looked at the effects that jitter and packet loss could have on VoIP calls. Jumbled-up, mixed messaging calls can be extremely frustrating. In the case of conference calls, multiple participants with jitter may have a compounding effect, making a productive meeting impossible. When problems occur we often tend to ‘drop the call’ and quickly try to reconnect, hoping for a clearer connection. Packet loss is another issue that could easily become a frustrating experience, with the danger of a loss of revenue if left unresolved. Packet loss occurs when one or more packets of data traveling across a computer network fail to reach their destination. This can be caused by errors in data transmission, usually across wireless networks, or due to network congestion.


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Spearline Solution

Thankfully Spearline’s proactive monitoring and testing tools are able to identify these issues before your customer does, preventing your company from facing negative outcomes like customer churn and potential loss in revenue. The Spearline tests will determine precisely what the problem is, helping you to fix the issue promptly before it becomes too large an obstacle for you and your customers. Using an internationally-recognized standard for measuring audio quality, Spearline takes into account parameters like variable delays, noise on the line, and clipping of audio. You can read more about our test types here.   


*For more content, connect with Josh O’Farrell on LinkedIn.

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Spearline is a technology company that proactively tests toll and toll-free numbers for connectivity and audio quality globally. It enables organizations to provide uninterrupted services to customers around the world. For further information, or if you have any further questions please get in touch with us .


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