Here is a great short example: Hello this is [first name] with {business name} in {city name} . I apologize I cannot answer the call at the moment, please leave me your name, number, and I will return the call as soon as get back to the phone. Here you have let the caller know that they have reached your business, and that you are sorry you can’t answer right away. It assures them that you are interested in their call, and that you will get back with them as soon as you can.
For personal users, a funny iPhone voicemail message may be just what you want. It’s still a good idea to keep it short, but you can have some fun by using your iPhone to record a funny voicemail message played over a speaker on your computer or another device.

Here, the DUI lawyer ensures the clients are assured of help at the earliest and to tackle emergency situations he/she offers an alternate number.
You can ask your admin to change the greeting language for everyone in your organization. Your admin should see this topic for instructions: Change the default language for greetings and emails.