Callware Technologies, Inc. (Callware) is a software company in the telecommunication industry, headquartered in Salt Lake City, Utah. It specializes in developing unified communication and unified messaging solutions for the US Department of Defense, government, educational institutions, and mid to enterprise business. Callware is known for its Callegra.UC product, which provides voicemail, unified messaging, auto attendant, text to speech (TTS), voice recognition, and clients to access voice and fax messages from the telephone, desktop client, or the Internet.