My company is doing an Exchange 2013 upgrade later this year from 2010. We are also moving to a hosted Datacenter environment. The question is mainly around UM but generally speaking, I am looking to setup a 2 site scenario with the  primary voip being in a remote 3rd site and a backup voip in backup DR site. If I was to implement 2 cas, 2 mbx in primary site and 1 cas, 1 mbx in backup DR site, how would I go about setting this up? I know the basics behind the setup as far as the CAS doing the SIP handoff to the MBX server and the MBX server creating a media channel between mailbox and voip gateway but not familiar with the following:

1. Is it possible to have a voip gateway in the remote site

2. Can I have an active/active scenario between site A and site B cas servers?

Any help is appreciated!

Thanks

Sam 

 

• Moved by Belinda MaMicrosoft contingent staff, Moderator 2 hours 22 minutes ago UM issue