How do I forward my business line to an AI agent? (divert codes, SIP, new number)

You keep your existing number and divert it. On UK mobiles and landlines, dial **21*<AI number># to forward every call, **61*<AI number># to forward when unanswered, or **67*<AI number># to forward when busy, then ##21#, ##61# or ##67# to switch off. Alternatively publish a new number the AI answers directly, or connect your phone system over SIP.

Updated 18 October 2026 · 4 min read

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