Northern Trail Outfitters (NTO) has subscribers opt-in to its marketing program via email or SMS.

To honor the opt-in communication method for subscribers in NTO's welcome series, it is recommended to create one Entry Source for each messaging channelin Journey Builder. This approach ensures that subscribers receive communications via their preferred channel, whether it be email or SMS. By configuring separate entry sources, the welcome series can deliver messages that align with the opt-in preferences of each subscriber, enhancing the personalization and effectiveness of the communication.