In Australian English it’s pronounced with the vowel /a:/ like in ‘part’. Problems arise when people use the /ʌ/ vowel (like in ‘up’) instead of /æ/ or /a:/. If you do this is will sound like the worst swear word in English. Many non-native speakers often pronounce the vowel /æ/ more like /ʌ/ because they don’t have a vowel like /æ/ in their first language. Many speakers of European languages will do this (Spanish speakers and Italian speakers) and also speakers of Japanese and Korean. This problem with /æ/ also means that if you say the word ‘back’ in your voicemail greeting sample, you are likely to pronounce it more like ‘buck’. remember to pronounce word endings in English. Check you aren’t dropping any endings off or mispronouncing them.
If you get stage fright at the thought of making a sales call and leaving a voicemail, preparation can go a long way. Knowing what you’re going to say before you dial – and even running through the script a couple of times – can make you feel more in control. If you want to know exactly how you’ll sound and where improvements have to be made, leave yourself the voicemail and listen to it back. You can also use a breathing exercise to help yourself relax and keep your voice steady.

Here are 5 sample scripts for business voicemail greetings that will make you and your company look personable, knowledgeable, and professional. And here are some sample voicemail greeting scripts for doctors, lawyers, and dentists, in case you're not looking for business greetings.
It's never been more important for salespeople to be good at leaving voicemails. Not only that, but voicemail can — and should — be measured, coached, and improved. First, let's review general voicemail etiquette. Keep your greeting up-to-date. Let callers know when they can anticipate a response. Share your name and company affiliation. State the intention of your message. Include your contact information at the beginning and end of the message. Be concise. Share your availability.