Support documentation for Classroom/Office Cisco phones.
How to make a call with the Cisco Jabber client.
How to set up Single Number Reach on a Cisco 8845 phone.
How to enable call forwarding on your Cisco phone.
How to install the Cisco Jabber client on your Windows 10 device.
This PDF will show you how to use the features on your Cisco 7821 VoIP Classroom Phone