First of all, I want to say great work on using the phrasal verb “to pick up!” Native English speakers love phrasal verbs and we use them often. In this example, to pick up the phone means to answer the phone.
Additionally, you will want to close out your voicemail by (re)stating your contact information and name and purpose of your call. This is another little trick of leaving voicemails - people tend to remember the first and last things you say more so than the middle, so by summarizing the important pieces of your message at the end, what you said is more likely to stick.

How do I record my Voicemail Greeting over the Phone? Dial the Voicemail Access extension 899 (default) Enter password followed by #. Press 0 for Mailbox Options. See Also How do I record personal greetings for Voicemail Options.
Calling leads is an important part of growing your business, but it can get frustrating when you call and call and never get a reply. Having phone scripts in place can make all of the difference in the effectiveness of your lead calls. Scripts allow you to come across as confident and professional and convey all the important points you need to make. No more stumbling over your words or forgetting to mention an important factor, like your name or phone number. Scripts will help you stay consistent and make calling more enjoyable because you’ll know what works and what doesn’t.