Avaya 16-300272 User Manual

Once the Application Gateway is aware of a third-party application, it 

performs the following operations:

Listens for XML data from the application, including distribution lists 

to track for the application and alerts to be pushed. 

Sends information about the devices that register with the Application 

Gateway to the application, as they come online or change. 

Maintains distribution lists.

Pushes alerts from the application over port 9998 to the phones 

according to the defined schedule. 

Updates the alert list on the phones, automatically removing alerts 

that are deleted or expired.

Notifies the application about the status of the pushed alerts. 

The following topics provide a general description of the XML elements 

used in those operations:

The PushMessage element defines the alert to be pushed to an IP phone 

or distribution list. To send more than one PushMessage, you wrap the 

elements in a ManagePushMessage element.
The PushMessage element attributes specify the priority and action of the 

alert. Alert priority determines whether it will be pushed:

Immediately and take control of the audio. Priority = emergency.

When the phone is idle. Priority = normal.

Only to the alert history item in the Voice Office menu. Priority = 

background.