Make a Call Handler that has the extension you want to transfer to in CUCM. Set the Transfer Rules on that Call Handler to always transfer the call instead of sending to greeting. Point your menu option, or your original Call Handler, at the Call Han...
InformaCast is a great fit for pre-canned messages that need to be triggered.If I had to do something quick and dirty though, I would set up an Intercom group. Intercom functionality will present the audio over another active call. Someone would have...