UC520 IOS upgrade problem

[zakariaa azzouz]

 Hi All ,

   I have a problem with upgrade ios of UC520 :

     IOS installed : uc500-advipservicesk9-mz.124-20.T2.bin . When i upgraded to uc500-advipservicesk9-mz.124-22.YB8.bin ,I can't emit calls by against i can receive the calls . Downgrade to old Ios version resolve the problem .

I don't know what's the problem ,Can anyone help me ?

Regards

[zakariaa azzouz]

Hi ,

Can anyone provide me the latest ios version of uc520 to resolve the problem of Emision the calls