hello, auth_function application returns a "OK" or "NOK" result in a channel variable (in this example ANI_AUTH_RESULT). You need to evaluate the result and act accordingly. here is some example (part of my IVR) that checks the user's ANI id if its known to the billing just prompts for destination number if not, prompts for PIN. <extension name="ANIorPIN"> <condition field="destination_number" expression="^ANIorPIN$"> <action application="set" data="CALLINGNUMBER=${caller_id_number}"/> <action application="auth_function" data="in ${DIALED_NUMBER}, in ${caller_id_number}, in 1234, out ANI_AUTH_RESULT"/> <action application="execute_extension" data="CheckANI XML NXIVR"/> </condition> </extension> <extension name="CheckANI"> <condition field="destination_number" expression="^CheckANI$"/> <condition field="${ANI_AUTH_RESULT}" expression="^NOK$"> <action application="log" data="INFO ################# UNKNOWN ANI, go to ENTER PIN ################\n"/> <action application="execute_extension" data="EnterPIN XML NXIVR"/> <action application="log" data="INFO ################# I KNOW WHO YOU ARE go to get destination number ################\n"/> <anti-action inline="true" application="export" data="UNAME=${caller_id_number}"/> <anti-action inline="true" application="export" data="PASSWD=1234"/> <anti-action application="execute_extension" data="GetDstNum XML NXIVR"/> </condition> </extension> <extension name="EnterPIN"> <condition field="destination_number" expression="^EnterPIN$"> <action application="set" data="playback_delimiter=!"/> <action application="set" data="playback_terminators=#*0123456789"/> <action application="read" data="${PIN_MIN_DIG} ${PIN_MAX_DIG} ${PIN_ERR_PR}!${CARD_NUMBER_PR} PIN ${PIN_TIMEOUT} *"/> <action application="set" data="credit_amount=h323-credit-amount=0"/> <action inline="true" application="set" data="PIN_RETRIES=${expr(${PIN_RETRIES}+1)}"/> <action application="execute_extension" data="ParsePIN XML NXIVR"/> <action application="log" data="INFO PIN=${PIN}"/> <action application="log" data="INFO UNAME=${UNAME}"/> <action application="log" data="INFO PASSWD=${PASSWD}"/> <action inline="true" application="export" data="DIALED_NUMBER="""/> <action application="auth_function" data="in ${DIALED_NUMBER}, in ${UNAME}, in ${PASSWD}, out AUTH_RESULT"/> <action application="set" data="auto_hunt=true"/> <action application="execute_extension" data="PARSE_RET_CODE XML NXIVR"/> <action application="execute_extension" data="CheckPIN XML NXIVR"/> </condition> </extension> <extension name="GetDstNum"> <condition field="destination_number" expression="^GetDstNum$"> <action application="set" data="bind_meta_key=#"/> <action application="bind_meta_app" data="0 a a transfer::LongDTMF XML NXIVR"/> <action application="set" data="playback_delimiter=!"/> <action application="set" data="playback_terminators=#*0123456789"/> <action application="read" data="${DST_MIN_DIG} ${DST_MAX_DIG} ${DST_ERR_PR}!${ENTER_DEST_PR} DN ${DST_TIMEOUT} *"/> <action application="execute_extension" data="TranslateLocal XML NXIVR"/> <action inline="true" application="set" data="DST_RETRIES=${expr(${DST_RETRIES}+1)}"/> <action application="execute_extension" data="ParseDN XML NXIVR"/> <action application="auth_function" data="in ${DIALED_NUMBER}, in ${UNAME}, in ${PASSWD}, out AUTH_RESULT"/> <action application="set" data="CALLINGNUMBER=${caller_id_number}"/> <action application="execute_extension" data="PARSE_RET_CODE XML NXIVR"/> <action application="execute_extension" data="CheckDstNum XML NXIVR"/> </condition> </extension>