08-21-2009 06:35 AM - edited 03-15-2019 07:27 PM
We have a UC520 with a single 7921 wireless IP phone. at aprox the 10 min mark calls become one way. Internal users cannot hear the outside party. The outside party can hear the internal user.
Any ideas what may cause this?
Thanks,
Andy
08-21-2009 07:00 AM
Which exact IOS do you have ?
08-21-2009 07:16 AM
UC500 Software (UC500-ADVIPSERVICESK9-M), Version 12.4(11)X
08-21-2009 12:59 PM
Recommend you upgrade to 12.4(11)XJ4, if still problems, you will have to contact the TAC.
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