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IP Office branch solution topology

IP Office branch solution can be deployed with Avaya Aura® in distributed, centralized, and mixed enterprise branch configurations.

Distributed branch deployment

In a distributed enterprise branch deployment, all users are IP Office users. The IP Office users obtain telephony services from the local IP Office and not from Avaya Aura®. The IP Office systems can be connected to Session Manager and administrators can obtain centralized management services through System Manager. The enterprise can choose to connectIP Office users in this deployment option to an IP Office voice mail system, such as Embedded Voicemail or VoiceMail Pro, or a centralized voice mail system, Messaging or Modular Messaging. IP Office users can also have access to some centralized Avaya Aura® applications and services.

Centralized branch deployment

Centralized users must be configured on the Session Manager, Communication Manager, and IP Office. A centralized user must be configured on Session Manager and Communication Manager as a SIP user. On IP Office, the centralized user must have either a SIP extension or an analog extension.

Mixed enterprise branch deployment

An enterprise branch with both centralized users and IP Office users. Centralized users obtain their telephony services from Avaya Aura® and the IP Office users obtain their telephony services from the local IP Office, as in the case of the distributed branch deployment.

All users in this deployment option must use a centralized voice mail system: Avaya Aura® Messaging or Avaya Modular Messaging.