The easiest way to record and program professional voicemail greetings for your phone system is to write down a script. Choose someone to record your script - the one who can speak without hesitating or stuttering, has a friendly voice and can annunciate and pronounce each name and word clearly.
At present, you have to record your greeting by recording directly into the iPhone microphone -- the results of which are average, of course.

While email and text support saw an increase in recent years, many customers, partners, and potential hires still prefer to call your company directly. When writing your voicemail script, include basic information such as a short greeting, your company name, an invitation to leave a short message, and the time frame in which the caller can expect a return call. If relevant, you may want to include your office hours, extensions for company departments, and the contact information for your office manager or HR department.
Note: This article is about apps that offer fake/ virtual phone numbers. If you are looking for internet (OTT) calling apps, check out the best VoIP calling apps on Android and iOS. 1. Burner – Best Burner Phone Number App. Possibly the best-known name for virtual phone numbers, Burner offers a secondary line for calling and texting without having to pay your carrier for a second connection.