Misheard numbers, letters or words cause communication miscues and inefficiencies.
A system for clarity is helpful.
For instance, The Radiotelephony Spelling Alphabet, also known as the NATO alphabet:
Virtual Lab Managers talk with scientists and suppliers talk on the phone quite a bit. Clarifying spelling or letters in POs and tracking numbers saves time. Using The Radiotelephony Alphabet, or other clarifying system, helps keep communication clear, efficient, and reliable.
A tip from Hotel-Alpha-Papa-Papa-India Lima-Alpha-Bravo-Sierra.
Image: Public domain.