Hi !I have a question about a design solution.  I need to create a redundancy solution, with HQ and more that 30 branch office. The HQ have 3 connectivity with 3 ISP, these connectivity terminated in the providers's routers and then, they are connect...

Hi,   I'have an Uc560 whit a BRI interfaces. Everything was working properly until I updated (8.6.1), since that time, it happens that in some calls, the caller can not hear anything, instead I feel him.What kind of debugging you advise me to do?Than...