/mcp• To delete a phone system, check the check box adjacent to the display name of the phone system that you want to delete. Select Delete Selected and OK to confirm deletion. Phone System Settings Phone System Basics • If you created the phone system integration to use the same voice messaging port to turn on and off an MWI the Use Same Port for Enabling and Disabling MWIs check box is checked. You can disable this configuration without leaving MWIs on when there are no voice messages for the user by un checking the Use Same Port for Enabling and Disabling MWIs and Force All MWIs Off for This Phone System check boxes. • If you want to synchronize all the MWIs for a phone system without affecting MWIs on other phone systems, select Run in front of Synchronize All MWIs on This Phone System option. • If you want to change the call loop detection settings to enable or disable the types of calls that are checked, set the applicable settings in Call Loop Detection Using DTMF and select Save. Call loop occurs when the forwarded Unity Connection calls (for example, to notify a user that a message has been received) sometimes return back to Unity Connection. Note Cisco Unified Communications Manager AXL Servers AXL servers are supported only for Cisco Unified CM phone systems and are needed when Unity Connection must have access to the Cisco Unified CM database for: • Importing Cisco Unified CM users (In a Unity Connection cluster configuration, you must be signed in to the publisher server to import Cisco Unified CM user data). • Changing certain phone settings for users of Unity Connection personal call transfer rules. Cisco Unified Communications Manager Cisco Unity Connection 11.x 10.x 9.x 8.x version No Yes Yes Yes 8.x No Yes Yes Yes 9.x1 No Yes Yes Yes 10.x Yes Yes Yes Yes 11.x 1 Unity Connection 9.1(2) SU4 and later supports all the versions of Cisco Unified CM for AXL server integration. System Administration Guide 63 Telephony Integration Phone System Settings