I have a phone that is connecting over a site to site VPN connection.  When I try to access the unity server it says not host found.  CAn someone tell me what ports need to be opened to access the Unity voicemail server? 

Hi,We are running a Pair of ASA 5520s in active/standby mode.  In the last couple days the active device will just stop communicating on the outside interface.  Because the rest of the interfaces are still up,  it will not fail over, so we have to fa...

Hi,We recently purchased a company and they are running an Avaya Voip system.  I am wondering if there is a way to allow them to dial my Cisco extensions when they need to call this location until I can update their location to my Cisco system? I sho...

HiI am trying to do some maintenance on my VG224.  I have a phone that is no longer in use.  I have unassociated the mac address from the DN and but I wan to know if I can just delete the device so it will unregister or if I need to do some other pro...

Hi,I currently am running version Cisco Call manager version 7 on 8 MCS servers.1 Pub3 Subs 2 CCX2 Unity - Version 8Can anyone tell me if I can split the redundant servers with another location on my WAN?I would like to split them as follows:location...