We have LLQ on all our WAN links (E3) to prioritize the voice traffic, but we still seeing high Jitter, it can reach as high as 98ms. The voice quality is very poor (breakups). How should we solve that?
You can use QoS / LLQ on the points of congestion, but what are the voice endpoints that you are using, and what codec? 98ms should be easily dealt with, by cisco phones and routers with recent IOS and DSP firmware.
I believe 98 ms jitter will be controllable as thumbrule for voice is 150ms round trip will be acceptable...
well did u check voice quiatly... is it poor??? and also confirm whether packet drop is there or not in whole network.... well as suggested if your configuration is alright then there must not any packet loss or jitter... also u need to chek physical connecitity with network and might other interfaces also do congestion if switch is used in network for connecitivity...
well waiting for configuration from end to end as well as n/w diagram if possible...
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