User's Manual

Solution overview
The Solution overview illustrates the store network.
• CM-1 represents a Communication Manager used for features for the store phones.
• CM-2 represents the primary Communication Manager used for corporate endpoints and
PSTN trunking.
• SM represents all Session Managers.
There must be at least:
• 1 or more Communication Managers
• 1 or more Session Managers
• 1 or more B5800 Branch Gateways
• SIP endpoints at each branch location
Centralized deployment example call flows
288 Implementing the Avaya B5800 Branch Gateway November 2011
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