About Money and Everything Voicemail offer several sample business phone greetings on their websites. Each site provides greeting options for everyday use as well as for extended absences and other purposes.
About Money provides links to several types of business phone greetings, including general, internal and external voicemail greetings. This site also has out of office and busy messages for temporary use.
Everything Voicemail provides several standard phone greeting choices as well as messages stating the individual is busy or away from his desk. This site also provides greeting scripts that list extensions for different business departments and lets the caller dial a specific extension.