Sometimes, it’s best to pick up the phone instead or have a face-to-face meeting if the tone or topic of the email is emotional, terse, or needs a lengthy discussion. Responding to workplace texts: You don’t have to have the last word. But if you need to say thanks or okay, say ‘thank you’ or ‘okay’ rather than ‘thankU’ or ‘k.’
Here are a few sample voice mail greetings to get you started: Standard Voice Mail Greetings. Normal Greeting (Without pager notification) "This is (name) of (company). I'm currently unable to take your call. Please leave your name, phone number, and a brief message, and I …

When you speak into your phone, do not speak directly into the mouthpiece. If you do, you will likely create “popping” and “hissing” noises when you pronounce words that have the letters “p” or “s” in them. Be sure to speak across the mouthpiece and not directly into it.
When you leave a voicemail do not use your full name because that immediately raises a red flat that you are a salesperson making a cold call. Instead, say your first name only followed by your company name. This will make your customer feel that you are much more familiar with each other than you really are. Saying your last name would defeat the whole purpose of demonstrating familiarity.