Can we discover Cisco Call Manager using Discovery application.Cisco Call Manager will not be discovered using Out of the box classifier and patterns.Create a custom classifier and include the sys_oid that can be obtained from the device. You must also develop a unique pattern to retrieve the device's information via SNMPThe pattern available in the sa_pattern table is currently application pattern, which is used in service mapping and not infrastructure pattern which Horizontal discovery requires. "Cisco CallManager Pattern" for Horizontal Discovery - This requirement can be added to the Idea Portal, or it can be voted on (if it is already submitted). Our development teams will review and prioritize future releases based on feasibility and priority. For more information on Idea Management for Customer Enhancement Requests, see "Idea Management for Customer Enhancement Requests".