Use Cases and Deployment Scope
Cisco 6900 are widely used for several companies, most of the implementations I did in my whole career working with Cisco devices used those devices, they are very stable with less need of maintenance, address most of the features that can be used on Cisco IP telephony system and can even control some of the video systems. Due to the broad amount of models, it can be used for several types of [users] from the most simple to the most complex use[.]
Alternatives Considered
Cisco IP Phone 6800 Series, Cisco IP Phone 8800 Series, Cisco IP Phone 7800 Series and Cisco Webex DX80
Other Software Used
Cisco IP Phone 6800 Series, Cisco IP Phone 7800 Series, Cisco Webex Room Series