Hi all. I have two central CallManagers and two Unity servers (primary and failover) at a central site. Phones use G711 on the same LAN and use G729 when crossing WAN links. QoS is in place and working well. Users in remote offices complain about voice quality only when accessing voicemail. Phone to phone quality is great. I'm not sure where to go on this one. The Unity design guide says to implement hardware transcoding but where?
Certificates are the first step to deploy Cisco Meeting Server, preparing certificate are very important to enable different services. As a VOIP administrator, mastering the concept of certificates is unavoidable
Using multiple CA servers, instead of a si...