Why does “-BytePhase” appear on my messages? Why does “-BytePhase” appear on my messages? A “-BytePhase” sender suffix is automatically added to every message and can’t be customized. It is part of how the built-in gateway sends compliant SMS. By Akshay Ghalme|2026-08-04T04:51:14+00:00July 10th, 2026|Gupshup Integration| Share This Story, Choose Your Platform! FacebookXRedditLinkedInWhatsAppTumblrPinterestVkXingEmail About the Author: Akshay Ghalme DevOps Engineer