Hi,We found if user transfer a call to an unavailable extension (RNA/ Busy) the call will drop instead of jump to voice mail.eg. Caller call-in and extension 123 pickup and transfer this call to ext 234, however ext243 not available.  This call will ...

Hi,We found if several user pickup a hunt group call at the same time, even one of the extenson got the call but both side will in slience and end call the call after few second.Also, in the answering phone we could not found any feature key (Hold, c...

Hi,I try to upgrade my SPA 303 firmware from 7.4.7v2 to 7.4.8. I have double click the exe file and follow the step but not luck. I found a document it recommand to use CCA, however it seem CCA does not support UC320. Any other way for suggestion. Pl...