No one wants to sit and listen to someone talking drone and monotone on a voicemail greeting. Remember to keep it upbeat and avoid sounding like a robot!
Practice makes perfect. Again, another obvious one, but it has to be stressed. If you want your voicemail greetings to come off as genuine, you have to practice. If you simply throw together a greeting that sounds and feels rushed, your customers aren’t going to let you get away with it. You will come off as if you don’t really care, and that won’t convince anyone you’re prioritizing the customer experience.

From a Home screen, tap the Phone (lower-left). From the Keypad (green icon located at the bottom), touch and hold the number 1. Alternate method: Enter *86 (*VM) then tap the Send icon. If prompted, enter the Voicemail password then press the # key. Launch the stock Phone app. Touch and hold the number 1 on the dialer. Enter your voicemail password when prompted. When you reach your mailbox, tap 3 for the Advanced Options menu. Tap 2 to record your greeting. When prompted, record your greeting, then tap #. To set up your voicemail, dial ‘1’ on your connected home phone. Follow the prompts to create and enter a 4 to 15-digit voicemail password. Record your personal greeting and press the ‘#’ key. After completing the setup process, press the ‘*’ key to return to the Main Menu. From your mobile phone, press and hold 1 or the Voicemail key. Do one of the following: For a new voicemail box—follow the prompts to create your password and greeting. For an existing voicemail box—enter your password if prompted.
You can ask your admin to change the greeting language for everyone in your organization. Your admin should see this topic for instructions: Change the default language for greetings and emails.