What is the limit of concurrent agents per application server?

The limit of concurrent agents per application server is 600 the limit of concurrent agents per application server according to Cisco Unified Contact Center Enterprise (UCCE) version 11.5 and for the hardware specification that meet the requirement. This recommended limit is based on the assumption that all agents are using IP phones or soft clients and that the agents are using average resources. However, It's important to keep in mind that this is just a recommended limit and it may vary depending on the specific version of UCCE and the hardware specifications of the application server.