Multichannel support fails when each channel operates in its own silo. A unified inbox with channel-aware routing keeps conversations threaded and context intact regardless of where the customer reaches out.

How to run email, chat, phone, WhatsApp, and social support from one shared inbox without dropping context between channels.
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Do not activate WhatsApp, Facebook Messenger, Instagram, SMS, and phone just because the platform supports them. Survey your customers and enable the two or three channels that cover 90% of inbound volume.
When a customer starts on chat and follows up via email, the agent should see the full thread. Channel-switching without context loss is what makes multichannel support actually work.
Phone calls need immediate answer. Email can wait hours. Chat is somewhere in between. Your routing rules should reflect the urgency expectations of each channel.