# Deactivating call deflection for all calls on an NAI

To deactivate call deflection for an NAI
, the application sends an ACU request message to the stack to the ACU_MGMT_SAPI containing an acu_ss_deactivate_deflect_invoke extended data structure.

## Successful call deflection deactivation

If call deflection is successfully deactivated, the stack returns an ACU indication message to the application containing an acu_ss_deactivate_deflect_ret_result extended data structure.

## Unsuccessful call deflection deactivation

If call deflection is not successfully deactivated, the stack returns an ACU indication message to the application containing an acu_ss_reject extended data structure.