My UC520 is registred in SIP server, I can call and receive calls, but for all incomingw calls it's impossible to forward these calls to another phone number (noan forward, busy forward, and all forward).But local forwards works wellThanks in advance...

Hi,Users forgots thers ids to access to mailbox, I need the default ID and if it exist id recovery to force a specific idThanks.

Hi,For all ip phones The light strip on the handset still always on (light red), without presence of new messages.

I need to upgrade the uc520 VM from us language to french language, i download the file wich i need : cue-vm-fr_FR-lang-pack.2.3.2.prt1I need the procedure to do the upgradeThanks