Currently our phones on our UC520 only ring 3 times before going to answering machine.  How do we change this to a different number (ie. 5).Thanks

We're hoping to setup fax detection on a PSTN line of ours.  We have a pstn fax line plugged into a FXO port.  We would like to have our UC520 setup so that if a call comes in, if it is determined to be a fax, it automatically forwards it to extensio...

We're hoping to hook our fax machine up to our UC520.  We want to set it up so that incoming calls on that line go directly to the fax machine, I know how to do that.  I also want the fax machine to only use our dedicated fax line.  Could you please ...

We finally setup our UC520 system and have it running at work.  We have an incoming PSTN line and a few incoming voip lines.  Both go to the same Auto Attendant except for one DID.  Tonight I noticed that after business hours, incoming voip calls wou...