Implementing Custom Application Capabilities

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The Cisco Unified IP Phone Services Application Programming Interface (API) is a tool that allows developers to create custom applications for Cisco IP phones. The API provides access to a variety of phone features and functions, allowing developers to create customized phone services that meet specific business needs. Here are the two capabilities that can be implemented in a custom application using the Cisco Unified IP Phone Services API:

B. Display corporate directory information: One of the most common capabilities that can be implemented in a custom application using the Cisco Unified IP Phone Services API is the display of corporate directory information. With this capability, a developer can create a custom application that retrieves and displays corporate directory information directly on the phone screen. This can be useful for employees who need to quickly look up contact information for their colleagues, customers, or partners.

D. Upgrade phone firmware: Another capability that can be implemented using the Cisco Unified IP Phone Services API is the ability to upgrade phone firmware. With this capability, a developer can create a custom application that allows network administrators to remotely upgrade the firmware on Cisco IP phones. This can be useful for ensuring that all phones in the network are running the latest firmware versions, which can improve performance and security.

A. Authenticate the phone to the network, C. Play multicast messages, and E. Create new phone devices are not capabilities that can be implemented using the Cisco Unified IP Phone Services API. Authenticating the phone to the network is typically done using a different mechanism, such as 802.1X authentication. Playing multicast messages and creating new phone devices are not features that are currently supported by the API.