In a Small Community Network (SCN) with Distributed Voicemail, which two are required? (Choose two.)

In a Small Community Network (SCN) with Distributed Voicemail, which two are required? (Choose two.)
A . Local Host file
B . SMTP unblocked between Voicemail servers
C . Preferred Edition Licenses on all IP Office systems
D . Port 80 supported
E . IIS installed on all Voicemail Pro servers.

Answer: B,E

Explanation:

References: https://downloads.avaya.com/css/P8/documents/100174760 Page: 133 to 140