/mcpProcedure Step 1 From Cisco Unified Communications Manager Administration, choose Media Resources > Media Resource Group List. Step 2 Click Add New. Step 3 In the Name field, enter a name for the media resource group list as Non- V.150. Step 4 From the Available Media Resources field, choose the V.150 MER resource group named Do not use with V.150 Devices and click the down-arrow key. The selected devices appear in the Selected Media Resources field. Step 5 Click Save. Configure Media Resource Group for V.150 Endpoints Use this procedure to add new media resource group without MTP resources for V.150 devices. Procedure Step 1 From Cisco Unified Communications Manager Administration, choose Media Resources > Media Resource Group. Step 2 Click Add New. Step 3 In the Name field, enter the media resource group name as For use with V.150 devices. Step 4 From the Available Media Resources field, choose multiple devices except the MTP resources and click the down-arrow key. The selected devices appear in the Selected Media Resources field. Step 5 Click Save. Configure a Media Resource Group List for V.150 Endpoints Configure Media Resource Group for V.150 Endpoints, on page 258 Use this procedure to add a media resource group list without MTP resources for V.150 devices. Procedure Step 1 From Cisco Unified Communications Manager Administration, choose Media Resources > Media Resource Group List. Step 2 Click Add New. Step 3 In the Name field, enter a name for the media resource group list as V.150. Step 4 From the Available Media Resources field, choose the V.150 MER resource group named For V.150 Devices and click the down-arrow key. The selected media resource groups appear in the Selected Media Resources field. Security Guide for Cisco Unified Communications Manager, Release 15 and SUs 258 Advanced System Security Configure Media Resource Group for V.150 Endpoints