Manage your incoming and outgoing calls and enhance the capabilities of your Treo 600 dramatically. With CallFilter for Treo 600, you have the ability to block unwanted callers, automatically hangup on someone bothering you, and more! Stop telemarketers, annoying people, or anyone you just dont feel like speaking to at the moment from disturbing you. In addition, you can also take control of your incoming SMS Messages. CallFilter gives you complete control of incoming and outgoing communications. With the Call Completion, you can take quick notes about your last phone call and quickly schedule followup calls or meetings. For those calls you want to accept, you can use Midi, MP3*, WAV*, and WMA* files for your ringtone. In addition, you can enjoy unlimited Picture Caller ID, and innovate new informational ring screens.