> ## Documentation Index
> Fetch the complete documentation index at: https://docs.sayvyai.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Identity Resolution

> Connecting anonymous web visitors, phone numbers, and WhatsApp contacts

# Identity Resolution

*This page covers how Sayvy AI unifies web callers and WhatsApp conversations into a single customer profile.*

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## Phone Number Normalization

*Content coming soon.*

* Converting numbers to international E.164 standard (`+14155552671`)
* Using phone numbers as the universal identity anchor

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## Web Visitor Merging

*Content coming soon.*

* Capturing phone numbers or emails during browser web calls
* Merging temporary web session IDs into existing CRM contact records

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## Cross-Channel History

*Content coming soon.*

* Passing context seamlessly when a user moves between Web Voice and WhatsApp
* Maintaining a single conversational thread across channels


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