Which SIP request is used by Cisco Unified Communications Manager to signal DND status changes to a Cisco 9971 IP Phone?
Posted: Sat Jul 23, 2022 6:59 pm
Which SIP request is used by Cisco Unified Communications Manager to signal DND status changes to a Cisco 9971 IP Phone?
A. OPTIONS
B. NOTIFY
C. INFO
D. REFER
E. UPDATE
A. OPTIONS
B. NOTIFY
C. INFO
D. REFER
E. UPDATE