Which SIP request is used by a Cisco 9971 IP Phone to signal DND status changes to Cisco Unified Communications Manager?

Which SIP request is used by a Cisco 9971 IP Phone to signal DND status changes to Cisco
Unified Communications Manager?

Which SIP request is used by a Cisco 9971 IP Phone to signal DND status changes to Cisco
Unified Communications Manager?

A.
REGISTER

B.
NOTIFY

C.
INFO

D.
PUBLISH

E.
UPDATE



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Manpreet

Manpreet

It will be Publish message