Connection Analysis

MVLS02: Packet discards may have been detected.

VoIP is real-time data in that it represents two or more parties in conversation using a telephone or mobile handset. In order to have a fluid conversation the nature of voice communication requires precise timing of packets in both directions. Because packets can travel at different speeds across the network and no two packets have to take the same route to reach the destination then it is likely that packets will arrive at varying times.

Unfortunately this is counter to the way a voice communication normally works. To combat these delays both the sending end and the receiving end will introduce a timing delay buffer to overcome the network extended delays to better ensure the audio that reaches the human ear is uniform and continuous. This delay buffer cannot be too large a delay otherwise the ability to coordinate conversation listening to speaking will be compromised. To make this point, imagine an extended delay of 1 minute, that means the listener will only hear the voice of the remote party one minute after the words were spoken.

Such a large delay makes it hard to answer any questions asked as there would always be a minute of silence before the response was returned. Therefore the buffer delay is normally quite short so as not to impede the fluid conversation, short being about 50 milliseconds. With a short delay there will always be packets that arrive late, these packets are deemed to be ‘too late’ for acceptable use and are therefore discarded.

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