It’s a good practice for each of your team members to have their own personal business phone numbers. There are many reasons why they shouldn’t use their personal cell phone number for business, so you’ll want to give them their own phone number through your VoIP provider or phone system.
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.

Read on for 3 quick ways to improve your voicemail script. 1. Actually Write a Script! Whether you are a solo therapist recording a voicemail greeting, or you have a whole office and need a system message, don't just wing it! Take the time to actually write out a script. Read it aloud to colleagues to make sure it says what you need it to say.
No matter what your call processing components, from Auto Attendants, to IVR, ACD and Voicemail, your organization should present a unified sound that represents your brand. Phone menu prompts, produced professionally, give your call processing clarity and brand identity every time your customers and prospects call. The way your organization is heard, especially during first impressions, can directly impact client successes and failures.