User 1 is on external call, internal user 2 calls user 1, user 2 hears ring for 10 seconds then voicemail picks up. When caller 2 is dialing user 1, user 1 does not see user 2 is calling at all. This only occurs when user 1 is on another call. Cust...

hey all.customer is on uc520, using spa525 phones.  user manuals state you can view parked calls by hitting setup, status, call park status.. .then you can unpark calls in the list.  we are not seeing this on the phones.  is this setting on uc5xx ?th...