# Zoom Phone client_code field deprecation

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Phone API updates ensure efficient and secure access to data. As part of these updates, we will deprecate the client_code field in the response body of the [/phone/call_history](/docs/api/phone/#tag/call-logs/GET/phone/call_history), in June 2025.
Additionally, the [phone/call_history/callLogId/client_code](/docs/api/phone/#tag/call-logs/PATCH/phone/call_history/%7BcallLogId%7D/client_code) will only support adding a user client_code and will not allow adding an admin log.

## Changed

-   Deprecating the client_code response field in this Phone API: \*`GET /v2/phone/call_history`
-   Restricting client_code assignment to user logs only this Phone API: \*`PATCH v2/phone/call_history/{callLogId}/client_code`