View source for MMI(Man Machine Interface)

== Overview ==
MMI(Man Machine Interface) code 내용 정리

== Basic ==
MMI(Man Machine Interface) 는 [[USSD]] 와 많이 비슷하지만 다르다<ref>http://berlin.ccc.de/~tobias/mmi-ussd-ss-codes-explained.html</ref>

== Codes ==
{| Class = "wikitable sortable"
|+ GSM USSD codes and their functions with various network operators
! Code !! Function !! Note !! Switch on !! Switch off !! Display status
|-
| 002 
| all diversions
| unconditional, busy, unreachable, does not answer
| * * 002 * '''number''' * '''BS''' * '''T''' #
| # # 002 * * '''BS''' #
| * # 002 * * '''BS''' #
|-
| 004 
| all conditional redirections
| busy, unreachable, does not answer
| * * 004 * '''number''' * '''BS''' * '''T''' #
| # # 004 * * '''BS''' #
| * # 004 * * '''BS''' #
|-
| 03 
| Change Network password
| password is network dependent, default on some networks is 0000. See call barring functions *33
| colspan = "3"| * * 03 * 330 * '''old password''' * '''new password''' * '''new password''' #
|-
| 04 
| Change PIN
|  
| colspan = "3"| * * 04 * '''old PIN''' * '''new PIN''' * '''new PIN''' #
|-
| 042
| Change PIN2
| Only with Phase 2 SIM
| colspan = "3"| * * 042 * '''old PIN2''' * '''new PIN2''' * '''new PIN2''' #
|-
| 05
| Change PIN by PUK 
| 
| colspan="3"| * * 05 * '''PUK''' * '''new PIN''' * '''new PIN''' #
|-
| 052
| Change PIN2 via PUK 
| Only with Phase 2 SIM 
| colspan = "3"| * * 052 * '''PUK''' * '''new PIN2''' * '''new PIN2''' #
|-
| 06 
| read device number ([[International Mobile Station Equipment Identity|IMEI]])
| 
| colspan = "3"| * # 06 #
|-
| 21 
| unconditional divert
| all incoming calls will be diverted
| * * 21 * '''number''' * '''BS''' # 
| # # 21 * * '''BS''' #
| * # 21 * * '''BS''' #
|-
| 30
| get the caller's number displayed (CLIP)
| as a callee get the CLIP displayed
| * 30 #
| # 30 #
| * # 30 #
|-
| 31 
| suppressing the transmission of caller's phone number (CLIR)
| for all subsequent calls
| # 31 #
| * 31 #
| * # 31 #
|-
| 31
| temporary change of the transmission of CLIR
| valid just for the next call; no final #
| # 31 # '''number'''
| * 31 # '''number'''
| 
|-
| 330
| total incoming and outgoing service barring
| password is network dependent, default on some networks is 0000
| * 330 * '''password''' * '''BS''' #
| # 330 * '''password''' * '''BS''' #
| * # 330 * * '''BS''' #
|-
| 33
| outgoing call barring
| password is network dependent, default on some networks is 0000
| * 33 * '''password''' * '''BS''' #
| # 33 * '''password''' * '''BS''' #
| * # 33 * * '''BS''' #
|-
| 331
| outgoing international call barring
| password is network dependent, default on some networks is 0000
| * 331 * '''password''' * '''BS''' #
| # 331 * '''password''' * '''BS''' #
| * # 331 * * '''BS''' #
|-
| 332
| outgoing international call barring, excluding to home
| password is network dependent, default on some networks is 0000
| * 332 * '''password''' * '''BS''' #
| # 332 * '''password''' * '''BS''' #
| * # 332 * * '''BS''' #
|-
| 333
| total outgoing service barring
| password is network dependent, default on some networks is 0000
| * 333 * '''password''' * '''BS''' #
| # 333 * '''password''' * '''BS''' #
| * # 333 * * '''BS''' #
|-
| 35
| incoming call barring
| password is network dependent, default on some networks is 0000. Incompatible with call diversion
| * 35 * '''password''' * '''BS''' #
| # 35 * '''password''' * '''BS''' #
| * # 35 * * '''BS''' #
|-
| 351
| incoming call barring, when international roaming
| password is network dependent, default on some networks is 0000
| * 351 * '''password''' * '''BS''' #
| # 351 * '''password''' * '''BS''' #
| * # 351 * * '''BS''' #
|-
| 353
| total incoming service barring
| password is network dependent, default on some networks is 0000
| * 353 * '''password''' * '''BS''' #
| # 353 * '''password''' * '''BS''' #
| * # 353 * * '''BS''' #
|-
| 37 
| Call back on busy (CCBS) 
| valid on some mobile networks only
| * 37 #
| # 37 #
| * # 37 # 
|-
| 43
| incoming call notification when busy
| 
| * 43 * '''BS''' #
| # 43 * '''BS''' #
| * # 43 * '''BS''' #
|-
| 61
| call divert when not answered
| 
| * * 61 * '''number''' * '''BS''' * '''T''' #
| # # 61 * * '''BS''' #
| * # 61 * * '''BS''' #
|-
| 62
| call divert when off or not reachable
| 
| * * 62 * '''number''' * '''BS''' #
| # # 62 * * '''BS''' #
| * # 62 * * '''BS''' #
|-
| 67
| call divert when busy or pressing reject
| 
| * * 67 * '''number''' * '''BS''' #
| # # 67 * * '''BS''' #
| * # 67 * * '''BS''' #
|-
! Code !! Function !! Note !! Switch on !! Switch off !! Display status
|}

== Reference ==
<references />

[[category:telephony]]