c6 tryint to unlock but saying this phone can not unlock?

[MUTUAL]

Hi team i m trying to unlock this phone thru code but it saying this phone can not be unlock thru nck code? here is log

            Basic Phone Information             
================================================
MCU Version: V 79_sr1_11w42.5 25-11-11 RM-601 (c) Nokia
IMEI Plain : 359048044268510
IMEI Spare : A359048044268510
IMEI SV    : 33590480442685133F
Phone Model: Nokia C6-01
Category   : Classic Phone
Phone Type : RM-601

================================================
            Extended Phone Information           
================================================
Product Serial Number: 365B5E1AA
Product Code         : 059L678
Module Code          : 0204365
Basic Production Code: 0585850
Long Production SN   : 0
MCU SW Version       : V 79_sr1_11w42.5 25-11-11 RM-601 (c) Nokia
HW Version           : 0610
RFIC Version         : |Alli_4.3.4
DSP Version          : 79_SR1_11w42.5
Content              : 111.030.0609.999.01
APE BT Version       : HCI Version 12 (rev. 64). LMP Version 36 (rev. 64). Manufacturer 2760.
AHNE Version         : 11
APE SW Core Version  : 111.030.0609
Variant Version      : 111.030.0609111.030.0609.23.01111.030.0609.257.02
APE Test Version     : 0.064
RETU Version         : 40
TAHVO Version        : 00
APE HW Version       : 256
APE ADSP SW Version  : 256
Wireless LAN ID      : 94:3A:F0:47:E9:DC
Bluetooth ID         : 94:3A:F0:47:CA:9C
CS Type              : GSM850, GSM900, GSM1800, GSM1900, WCDMA I, WCDMA II, WCDMA IV, WCDMA V, WCDMA VIII

================================================
               Simlock Information               
================================================
CONFIG KEY    :  B000000000000000
PROVIDER KEY  :  3340201549764300
NETWORK NAME  :  América Móvil;Mexico [GSM]
LOCK COUNTERS :  KEYPRESS 0/3,  FBUS 0/10
SIMLOCK TABLE :
   Block [1]  1:Close
SIMLOCK STATE :  LOCKED

SIMLOCK_TYPE             : PA_SL3 (15-digit NCK)
This Phone WILL NOT ACCEPT UNLOCK CODES !!!
                                              
SIMLOCK_TEST             : PASSED
SECURITY_TEST           : PASSED
SECURITY_CODE          : ENCRYPTED
PHONE_MODE              : NORMAL

can u tell me what reason can not unlock this phone?

[srinibas]

Answer is here - help plzzz....unlock 7230c


Br - srinibas