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 . transmit security status
B . accept unsolicited notification
C . allow charging header
D . accept out-of-band notification
E . accept out-of-dialog refer

View Answer

Answer: B,E