Sizing the system
101-1620-005 2-3
Design rules for voice mail domains Designing voice mail domains (VMDs) is very similar to designing
domains in Microsoft NT.
When designing Octel Unified Messenger voice mail domains, the
following rules must be observed.
nEach voice server can belong to one voice mail domain only.
nEach voice mail subscriber can belong to one voice mail domain
only.
nEach voice server has a single peer Exchange se rver.
nDifferent voice servers in a voice mail domain can have different
peer Exchange servers, provided that those Exchange servers are
in the same Exchange site.
nAn Exchange server can be a peer server for more than one voice
server.
nAn Exchange server can be a peer server for voice servers from
different voice mail domains. However, the voice mail domains
must be located in the same Exchange site as the Exchange
server.
nA Microsoft Exchange site can contain more than one voice mail
domain.
nIn a voice mail domain, there can be one tracing server only.
nVoice mail domains cannot spread across multiple Exchange
sites.
nThere is only one PBX integration link per voice server. This
means that if your PBXs are integrated, you need one v oice serv er
per PBX.
nThere can be several PBX types in one voice mail domain.
However, each PBX must be linked to its own voice server and
the voice mail domain properties must match every PBX type.