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Get carrier SIP header mappings

GET 
/api/v1/phone-numbers/:id/sip-header-mappings

Returns the saved header-name rules for the number: plain inbound/bidirectional mappings, derived rules with their transform, and the optional forward-all (passthrough) entry. Captured header values are never stored here.

Request​

Responses​

Configured header-name mappings. Captured values are never persisted here.