3.) This is a paid service. If you stay on the line you are connected to a technician, otherwise please hang up.
Simply speak into your phone or computer while recording a greeting with your business phone service. If you need to create your own audio file, the voice memo app on your phone should do fine.

In sales, immediate communication with your prospects and current customers is important. Being available to answer questions or further negotiate a deal allows your clients to feel secure and more apt to purchase from you. But what if you can’t answer the phone when they call? Make sure you have a voicemail system set up so your clients have the opportunity to leave you a message.
Most voice mail users have a desk phone line, which rolls calls to a voice mailbox. Customers with virtual telephone numbers (TNs) do not have a physical desk phone for this number. If you use voice mail with a Cox virtual TN, refer to the tips listed below. If you have a virtual TN, the related voice mailbox should be pre-set by Cox voice mail teams. If you cannot access the box from a valid access number, contact a Cox representative to make sure that the mailbox is initialized. When you log in to the mailbox, you need to update the PIN, record a new greeting, and record your name. Use voice mail and features as necessary. Paging Notification