If you designate a phone number for anything other than an emergency, then 9 times out of 10 people will call you for piddly little stuff that they could just send to help desk. On the other hand, if there's an emergency then a warm body really needs to answer the phone. At any rate, all voicemail greetings need to be short and to the point.
2. Professional voicemail greetings for your business cell phone number. It’s a good practice for each of your team members to have their own personal business phone numbers.

In the Calling User Portal, you can manage your voicemail settings, like when you want your voicemail to be active, message storage settings, and how you would like to be notified of new voicemail messages. You can also set up your voicemail greetings. Choose When to Send Callers to Voicemail Choose Where to Store Your Voicemail and Fax Messages Enable Voicemail Notifications Allow Callers to Transfer From Your Voicemail Greeting Set Up Your Voicemail Greetings Choose When to Send Callers to Voicemail
Recording name Press the Message key. Enter your password, followed by the # key. Press 0 for Mailbox Options. Press 3 to record your name. Record the name after the tone and press pound. To keep the message, press 1 to accept the message. If not satisfied, press 3 to re-record and repeat steps 5 and 6.