If there are different groups of users using different telephony modes or configurations, you must create one Device Capabilities record for each set of capabilities you need.
Click Edit for the Default Device record.
Click Save As from the Save menu to create a new device capability record.
Enter the Short Description and Name of the new record.
Click Create and Open to create the new record.
Edit the record to enable the desired capabilities.
Associate the device capabilities with the set of users.