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  1. K

    Grandstream ignoring jitter settings

    We have what I am certain is a jitter problem with voices breaking up, etc. Mostly it's on 2135s, but we also use 2170, 2160, 2130 and 1625s, and they all seem to have issues. I have set P132 to 0, which should mean fixed, and P133 as high as 7 which should be an 800ms buffer. But when I...