On the Avaya Aura® Experience Portal (AAEP) system that will perform voice campaigns, which three prerequisites are required on the AAEP before installing Avaya Proactive Outreach Manager (POM) software? (Choose three.)

A. Install an email server

B. Ensure VoIP ports (H.323 or SIP) are in service

C. Ensure the correct number of telephony and POM licenses

D. Install an SMS gateway

E. Configure on the external database

Reference: https://downloads.avaya.com/css/P8/documents/101041971