McDewey

The Cisco Headset and Accessories Management feature is not supported in 12.0(x) or 12.5(1). For earlier versions, you may have a limited support for sending headset and accessories configuration templates for IP phones manually via the defaultheadsetconfig.json configuration file and TFTP. Refer to your headset Administration Guide for details. Note Table 61: Headset Serviceability Features for Cisco IP Phones Unified CM 12.5(1)SU1 and above** + Phone Firmware 12.5(1)SR3 Unified CM 12.5(1) or earlier

• Phone Firmware 12.5(1)SR3 Unified CM 12.5(1)SU1 and above** + Phone Firmware 12.5(1) Unified CM 12.5(1) or earlier
• Phone Firmware 12.5(1) Unified CM 12.5(1)SU1 and above** + Phone Firmware 12.1(1) or earlier Unified CM 12.5(1) or earlier
• Phone Firmware 12.1(1) or earlier Serviceability Feature — X N/A X — — Manual Remote Configuration X — — — — — Headset Firmware Upgrade on Unified CM X — — — — — Remote Headset and Accessories Configuration on Unified CM X* — — — — — Headset and Accessories inventory on Unified CM X X — — — — Configuration Reset on the phone UI X* — — — — — Headset Call Management Records (CMR) • * This feature is only available on headsets with Headset Firmware 1.5 or later. • **This feature is not supported in the 12.0.x and 12.5(1) releases. • N/A When you upgrade to Unified CM 12.5(1) or higher from an earlier version, most Cisco IP Phones will upgrade automatically to Phone Firmware 12.5(1)SR3 or higher versions. Feature Configuration Guide for Cisco Unified Communications Manager, Release 15 and SUs 672 Device Management Feature Compatibility for Headset and Accessories Management