Flexible deployment options with autonomous IP Office branches as well as Distributed, Mixed, and Centralized Branch environments.

Support for multiple voicemail options depending on the deployment model.

Freedom to evolve to different deployment phases as the needs of your enterprise change. You do not have to follow the evolution phases in any particular order. For more information about evolution phases, see Avaya IP Office™ Platform Solution Description.

The flexible deployment options offered with the architecture provide guaranteed investment protection within the hardware platform and phones.

Centralized management services available in Distributed, Mixed, and Centralized Branch environments with the Avaya Aura® network.

Access to PSTN trunking and a variety of other services, such as messaging and conferencing, for centralized users with the Avaya Aura® network. IP Office users in the Distributed and Mixed Branch environment can also access some of these services.

Support for CS 1000 configurations connected to the IP Office in the branch with Avaya Aura® Session Manager. This provides telephony interoperability and phone investment protection.

Support for the Rainy day mode, guaranteeing that centralized users still have access to telephony services through IP Office when the WAN connection between the branch and the enterprise center is down or if the core Avaya Aura® server is down.