You don’t have to spell out every single thing that you think they might want to know. Have some faith that your callers will be able to figure things out on their own. Be natural but informative.
Mailbox greetings play when a caller reaches a user's mailbox. There are two greetings: one that plays when the user's phone is busy and the other when they don't answer or when they have their phone in Call Forwarded Always to voice mail. The default no-answer greeting plays a message recorded by the user. A typical user-recorded greeting would identify the user and inform callers that they are unable to answer their call� example: "Hello. You have reached John Doe. I am in today but missed your call. If you would like, please leave your name, telephone number and message at the sound of the tone and I will return your call as soon as possible. Thank you."

3. And instead of using the phrase "I assumed," use the phrase "my understanding was." "The phrase 'I assumed...' has a very negative connotation, and people will view it as you jumping to conclusions without sufficient evidence.
These voicemail ideas may not come so easily for some of you. And who says that finding inspiration is a bad thing. It’s natural; not everyone has a funny bone inside them. But that doesn’t mean you get stuck with a boring, cliché greeting. It has to be different and contain some kind of style. And to that, I would like to give you a list of messages. They are perfect alternatives when you want to add some uniqueness to your voicemail. These cool voicemail ideas given below will take the mundane effects off and leave you with fresh sounding voicemail messages. So take a look at some funny greetings that you can use as your funny cell phone voicemail ideas (or home phone).