Prerequisites to configure Multiple Appearance Directory Number

Last Updated : Feb 12, 2019 |
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Administrator must ensure that all users on Session Manager are configured with Multiple Device Access set to allow only one endpoint to register, and a new registration to override an existing registration.
The norm is to use ProVision to migrate. This includes mapping analog stations with the MCA Denied (MCRD) class-of-service into an SCA model, or analog stations with MCA Allowed (MCRA) into the MCA model. However, an administrator may need to create a station using by Communication Manager station programming or may need to add the capability to an existing endpoint.
For more information, see Creating a bridged call appearance on a single-line telephone (analog endpoints) section and Creating a bridged call appearance on a multi-appearance telephone (other endpoints) section in the Avaya Aura® Communication Manager Feature Description and Implementation document for SCA handling.
Create appearances for MCA as follows:
  • Ensure that a virtual station (X-Port) is defined with the correct extension, and sufficient call appearances to provide enough call support. The extension is administered without hardware being assigned (making it a virtual station), and has the “Port” field set to x. For creating a new station, see the Communication Manager documentation.
  • Define the applicable button as a bridged appearance:
    • MCA: Ensure that it has the “a” parameter assigned as parameter 1, and the extension as parameter 2.
    • SCA: Ensure that it has the parameter for call appearance 1 assigned to the lowest indexed button as parameter 1, and the extension as parameter 2.
  • If the call is an SCA, and the administrator wants to allow changing the privacy settings for the call, the administrator defines an exclusion button on the station, typically labelled as Privacy.
Ensure that only the programmable buttons on any endpoint can be configured as line appearances (either call appearance or bridged appearance). This should be invisible to the person coming from CS 1000, as the additional “programmable” keys have fixed uses. For example, the speed call soft key can be one of four variants, but can only be a speed call key. If an administrator mis-programs a station to put the appearance on an invalid button, Device Adapter ignores this button.