Systems, methods, and software for operating a wireless communication system are provided herein. In one example, method of operating a wireless communication system is provided. The method includes processing a voice call directed to a user device and alerting the user device of the voice call, determining that the user device has not answered the voice call, and determining a status of the wireless communication system. When the status of the wireless communication system indicates a first condition, then the method includes initiating a first connection for the voice call to a voicemail service for the wireless communication system. When the status of the wireless communication system indicates a second condition, then the method includes initiating a second connection for the voice call to a voicemail service on the user device.