IP Telephony and Phones

Sorry for a repetitive topic but I can't seem to find a solid answer on this anywhere.     We are building new DC's for our network which means new DNS.   In a test, we took down our old DC's and got a "Cannot connect outside corporate network" by an...

I am having trouble understanding how the maximum number of calls and busy trigger work together.    I have seen conflicting information regarding whether the max number of calls refers to only outgoing or if it refers to both outgoing and incoming. ...

We have one CUCM & CUC which is version 11.5. All extension is 4 digits, but we have many sites which has different areacode, such as 680-1399 and 689-1399(different areacode, same extension) So the issue is: how can I diffenciate those voicemail use...

  I have cucm/cuc integrated by SIP trunking, version 10.5 here I am trying to setup a call handler, and what I configured: -  inbound CSS of SIP trunking include PT-1, PT-2 - CSS in RP 2014 include PT-1, PT-2, 2014 itself is in PT-2 (Majority exte...

Hello, I currently have about 30 Cisco 7925G wireless phones in our warehouses.  I just purchased and configured a few 8821's as Cisco is replacing the 7925's.  I'm running CUCM v. 9-1-2 and configuration went fine. I have 3 issues thus far: 1.  Ther...

I am working on a Call Manager 11.0 cluster where they have working 7925 phones in their Aruba wireless. They recently purchased a single 8821 phone and we have been experiencing multiple issues. The first issue is that the phone will lose it's regis...

I have a request to preserve CUCM end user accounts whenever they transition from Active LDAP Users to Inactive LDAP Users.  The end user accounts will frequently be disabled in AD, but the users come back shortly afterward and so all the association...

Hello, I'm sorry if I'm posting this in the wrong place.. I do use a third-party VoIP provider (RingCentral) for my multiple locations and have recently opted to purchase and deploy Cisco IP phones (CP-8841 and CP-8861) purchased new from Amazon. Wh...

Hi everyone, I was reading about HSRP for CUBE and saw a new command I have never used: mode border element.What really do? After read some documentation still don't understand what additional service are activated. Thanks in advance Regards

All, I am experiencing an issue adding a new CUCM Subscriber to an existing cluster. The Server names in CUCM are hostname based so for example 'CUCMPublisher' During the validation stages of the install on the new Subscriber, I get the following err...

I have cisco ip phone 303 and if someone call me I can not make (put) silent. Please assist what should I push or do to make silent when someone will call me.   Thank you!

Hello all,    I have a problem when i do a call PSTN , it displayed on ip phones thee message error:"High Traffic Try Again"   Best regards Akram