You are helping a new Sales Engineer learn about Avaya Aura survivability. If a branch that has only SIP devices and has deployed a Survivable Remote Communication Manager and Session Manager, the engineer wants to know what happens when the connection to the Avaya Aura core is down.
What are two things you would tell the engineer? (Choose two.)

You are trying to determine how many Basic and Mainstream licenses are needed to support a proposal for Avaya IX Messaging.
Which feature requires a Mainstream license?

The account team is concerned about limitations associated with analog licenses that you have included in your solution design.
Which two characteristics of analog licenses would you share with the account team? (Choose two.)

You are putting together a proposal for a Communication Manager solution that has the following requirements:
* 300 9611G telephones running H.323
* 275 9641GS telephones running SIP
* 75 Analog telephones
* 350 3129 telephones
* 100 Avaya Equinox clients
300 9611G telephones running H.323
275 9641GS telephones running SIP
75 Analog telephones
350 J129 telephones
100 Avaya Equinox clients
How many endpoints will directly register/connect to Communication Manager?

Your customer has a CTI application that requires Avaya Aura Application Enablement Services (AES). To work with AES, how must Communication Manager be operating?