VSTG, RSIP and VCG Recommendations

You can install multiple VSTG, RSIP and VCG servers, also known as an array, to take advantage of high availability features. Vocera recommends the following best practices for high availability:
Important: (For VSTG only) When you configure the Number of Lines field on the Telephony > Basic Info page of the Vocera Administration Console, enter the number of lines available to a single VSTG server, not the total number of lines available to all servers. For example, if you purchased a license with 6 lines and you have 2 VSTG servers, assign 3 lines to each VSTG server.