Keep it simple, concise and to the point. Callers won’t need your life story, and won’t want to wait around for a 2-minute greeting to end just so they can leave a message. Don’t hide the details, tell them where you will be, when you will be there, or when you won’t be there, and how to get in touch.
When you slow down your speech, you are giving the caller time to acknowledge the information that you are giving. Therefore, breathe naturally.

An oncologist is a type of doctor who deals with patients afflicted with one or various types of cancer. His/her work involves consultation, diagnosis, application of chemotherapy and coordinating with other doctors involved in treatment etc. This is how the phone greetings for oncologist should be like:
Uploading an Audio file Select By Uploading an Audio file. Give the file a name. Optional: Leave a note for yourself to tell what the file is for. Click the musical note and browse your computer to find the correct audio file, or drag and drop an audio file onto the screen. Click Save. Click Select on the audio file you would like to use. Click Save to update the changes.