Which protocol is used between Avaya IXTM Workplace Clients for Multimedia Messaging?

A customer has hired a new system technician to support their Avaya IX Workplace solution. While troubleshooting an issue with Avaya IX Workplace AAMS, the system technician has locked the Avaya IX Workplace AAMS Server as part of the procedure, however accidentally forgot to unlock it later.
How will Clients be affected by a locked AAMS?

A customer is unable to send or receive IM/Multimedia messages from their Avaya IXTM Workplace for Windows Client. The following error message is displayed:
The messaging service is not currently available. What is the causing this problem?

Which three call flow steps apply to Avaya IXTM Workplace Clients? (Choose three.)

Which CLI command is used to launch the configuration script in AAWG Servers?