Multichannel support
Multichannel support entails providing customers with various ways to contact customer service. Customers can select any channel that is most convenient for them at any time. Voice, text, live chat, email, social media, and other channels are among them.
Samsung, for example, offers several customer service options. They provide customer service through various channels, including phone, SMS, email, chat, and community support.
https://www.kdci.co/blog/omnichannel-vs-multichannel-support-which-one-creates-better-cx/