When it comes to making phone calls, nothing can leave one more in the dark than leaving a message on a voice mailbox that hasn’t been set up yet. However, if you happen to be in the dark in regards to setting up your voicemail, we’re going to walk you through the process to avoid confusion on your end. With this being said, here’s a look at how to set up your iPhone voicemail.
When recording a personalized voicemail greeting on your office phone, your greeting should include only the company name and your extension number. When recording a personalized voicemail greeting on your office phone, your greeting should include only the company name and your extension number. State your name and spell it out if you’re asking callers to follow up with written correspondence. State your company name and department name. Let callers know that you cannot take their call right now. Invite them to leave a message. What should I record on my work voicemail?

On the Greeting page there are two options. The standard option is to use the default iPhone voicemail message, but you can also record a custom message. If you already have a custom iPhone voicemail message recorded, tap Play to listen to it now. Otherwise tap Custom.
An extension is a short internal number. Extensions allow users to make and receive calls. You can assign extensions to every employee in your organization.