What criterion determines which CTI Sever (7.1.2) a CTI OS agent logs into for a duplexed system? I have done a ton of tests and can report with 100% certainty that it is not round robin and does not balance out perfectly even. If there is a formula or a test the desktop runs while logging in could someone please share it with me?
There is no formula, it's just random. If you want to implement a formula you would need to manipulate the connection settings in a customized desktop, however that would likely break the built-in failover mechanism.