When using an IP Office system to support Avaya Cloud Office™ extensions, Avaya only supports the IP Office features detailed in this document. Enabling other features will cause unexpected or incorrect operation.

• Supported on IP Office IP500 V2A control units running IP Office R11.1.2.3 or higher.

• The solution supports up to 376 analog extensions.

• The solution uses SRTP for media security. This limits the maximum number of simultaneous calls to 40.

• The solution uses an ACO line to connect to Avaya Cloud Office™.

• The solution uses VCM channels for each current call. This requires the installation of VCM hardware.

• If not using the Avaya Cloud Office™ E911 emergency call service, the solution must use a local IP Office trunk for emergency calls

• The solution support fax calls using an analog extension (see Fax configuration).