While covering all of the relevant information, aim to keep your voicemail to about 20 seconds. You definitely should not ever record a business voicemail longer than 30 seconds, and anything less than 10 seconds will typically mean that you are either speaking too quickly or aren’t providing all of the required information.
If you are alright with your prospects reaching out to you after work, then share your contact details will help them to reach out to you. This is not a mandatory technique, but if you believe that you can cater to prospects after your working hours then this technique is great to conduct.

This article is about the second main type of greeting – the voicemail greeting. All businesses should have professional voicemail greetings at the company level (i.e. your general business number), department level (e.g. customer service), and employee level, where applicable. It’s important that each of these voicemail greetings align with the brand and personality of your company to ensure that every caller has a consistent experience. Let’s dive in!
1. Access your digital voice mailbox through your smartphone's touch screen. On an iOS phone, tap on the Phone application and then look for a square in the bottom right hand corner of the screen that reads Voicemail. Tap this button and your voice messages will appear on the screen. Click on any of the messages and press Play to hear the message. On an Android phone, a voicemail icon will appear at the top left of your screen in the Status area if you have an unread voicemail. Swipe your finger down from the top of the screen to view your notifications and then press New Voicemail. Your phone will dial the voice mailbox.