The following circuit packs are essential in an Avaya telecommunications network:

• Avaya Aura® Media Server

  Provide high-capacity VoIP audio access to the switch for local stations and outside trunks.

  Avaya Aura® Media Server is used by Communication Manager to provide IP audio capabilities similar to legacy H.248 media gateways or port networks with media processors.

• Branch gateways

  Provide:

  • Extension of Communication Manager telephony features to branch offices when controlled by a remote server.

  • Standalone telephony systems when controlled by an embedded S8300E.

  • Survivable Remote server backup for a remote server.

  The branch gateways include the G430 Branch Gateway, G450 Branch Gateway, and IG550.

  Note:

  S8300E supports G430 Branch Gateway and G450 Branch Gateway.

For more information about Avaya hardware devices, see Avaya Aura® Communication Manager Hardware Description and Reference.