[T26P] Client reports "gaps" during speech

[mikes]

(04-16-2015 05:03 PM)nsarris Wrote:  

(04-04-2015 04:17 PM)nsarris Wrote:  PBX server is a FreePBX distro VM running latest asterisk 11.

Problem doesnt happen on every call. There is no pattern but I think when it appears every T26 seems to be affected.

Users say it doesnt happen on internal calls but they are not sure as they dont make a lot.

They are on latest firmware 6.73.0.50. All phones have same configuration from auto provision and are on the same lan and network switch. We tried switching them around but nithung changed as all of them are affected. The W52s are not.

An update on this. We installed a T46G and a couple of T23Ps on this site. It seems only the T26Ps are affected. Could you please assist with is issue?

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Have you checked to see the bandwidth used by the VMware? Is the VMware a enterprise version with a virtual distributed switch? I believe only the virtual distributed switch supports full layer 2 CoS. If the VMware only has a virtual switch you could have periodic congestion on the virtual switch that is causing dropped packets.