Which two SIP trunk settings resolve this issue?

An engineer configures a SIP trunk for MWI between a Cisco UCM cluster and Cisco Unity Connection. The Cisco UCM cluster fails to receive the SIP notify messages.

Which two SIP trunk settings resolve this issue? (Choose two.)
A . accept out-of-dialog refer
B. accept out-of-band notification
C. transmit security status
D. allow changing header
E. accept unsolicited notification

View Answer

Answer: A,E