Use energy to get a voicemail returned
Sales is the transfer of enthusiasm. You can transfer enthusiasm over the phone, not over email. When we leave monotone voicemails that make it sound like we couldn’t care less about what we do, why would we expect for anyone else to care?
Source: Sales consultant John Barrows
This is why you should stand up when making calls. When you stand up, your voice resonates better, and it’s a much more confident position than sitting down hunched over your desk praying that people around you aren’t listening to what you’re saying.