For information about how to update your outgoing message, forward your desk phone to a cell phone, and check voicemails remotely, reference this Knowledge Base article from the EOU IT Department: https://kb.eou.edu/topic/phone
Consider adding 'You can also email your query to us at [insert email address here]. These queries will be answered within [insert time frame].' Again, if you intend to make a promise to your customer in a voicemail, ensure you keep it.

Education Details: Business Voicemail Greeting Examples. Coming up with a good business voicemail greeting can be trickier than coming up with a personal voicemail greeting. Take some cues from the below to ensure callers leave a voicemail message after listening to your greeting. Additionally, consider writing a voicemail script to ensure you don’t leave out friendly voicemail greeting examples
For those with voicemail greetings that get changed about as often as a new president is elected, know that this is doing a serious disservice to the caller-recipient relationship. It signals to callers that the business is anything but an authority, most likely not very detail oriented, and has questionable overall credibility and competency. Those aren’t traits that any business wants to associate itself.