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Problem: Noise

There are a number of conditions that can lead to the voice signal being excessively noisy. One common cause is the signal level being too low at some point on the voice path, when the signal is amplified then the noise is also amplified. Some equipment problems and bad electrical connections can also lead to excessive noise.

Impact

Users may report that calls sound noisy.

Resolution

Try to correlate the incidence of noise with specific routes or pieces of equipment (including telephone handsets). If the problem appears to be associated with a specific route that connects to an analog or TDM trunk then check the loss plan. If the problem seems to occur on a specific packet path then check for excessive jitter or packet loss.

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