GSM control codesMany enhanced functions of GSM networks cannot only be controlled via the menus
of the mobile phones, but also by entering codes, which have been set in the
GSM standard. With the codes you can activate functions for which the mobile
phone does not have a menu-entry. Below you'll find an overview of all codes
which have a function in the German GSM networks. Nevertheless: not all codes
function in all networks..
Disable all forwardings
# # 002 #
Disable all conditional forwardings
(If Busy, if not reachable, unanswered)
# # 004 #
Change password for call barring
* *03 * 330 * old password * new password* new password #
Change PIN
* * 04 * old PIN * new PIN * new PIN #
Change PIN 2
(only Phase II mobile phones with Phase II cards)
* * 042 * old PIN 2 * new PIN 2 * new PIN 2 #
Reprogram PIN with Master-PIN ("PUK")
* * 05 * PUK * new PIN * new PIN #
Reprogram PIN 2 with Master-PIN
* * 052 * PUK * new PIN 2 * new PIN 2 #
Display IMEI-number on mobile phone
* # 06 #
Divert all incoming calls
Switch on / switch off / check status
* * 21 * telephone number # / # # 21 # / * # 21 #
Temporarily disable previously programmed call forwarding for all calls
# 21 #
Temporarily activate call forwarding for all calls
* 21 #
Incoming number display
Switch on / switch off / check status
* 30 # / # 30 # / * # 30 #
Sending your own number to the recipient
Switch on / switch off / check status
* 31 # / # 31 # / * # 31 #
Transfer the telephone number for a call
Switch on / switch off
* # 31 # Telephone number # / # 31 # Telephone number #
Lock all outgoing calls
Switch on / switch off / check status
* * 33 * Password # / # 33 * Password # / * # 33 #
Lock all calls (outgoing + incoming)
Switch on / switch off / check status
* * 330 * Password # / # 330 * Password # / * # 330 #
Lock outgoing international calls
Switch on / switch off / check status
* * 331 * Password # / # 331 * Password # / * # 331 #
Lock all outgoing international calls, except calls in the home network
Switch on / switch off / check status
* * 332 * Password # / # 332 * Password # / * # 332 #
Lock all incoming calls
Switch on / switch off / check status
* * 35 * Password # / # 35 * Password # / * # 35 #
Lock all incoming calls when in foreign networks
Switch on / switch off / check status
* * 351 * Password # / # 351 * Password # / * # 351 #
Call waiting:
Switch on / switch off / check status
* 43 # / # 43 # / * # 43 #
Waiting time for diverting calls if no reply
** 61 * 99 Target number * 11 * (Time in 5 sec. steps - 5 to 30 sec.) #
Divert calls if no reply
Switch on / switch off / check status
* * 61 * Telephone number # / # # 61 # / * # 61 #
Divert calls if not reachable
Switch on / switch off / check status
* * 62 * Telephone number # / # # 62 # / * # 62 #
Divert calls if Busy
Switch on / switch off / check status
* * 67 * Telephone number # / # # 67 # / * # 67 #
Temporarily disable previously programmed call forwarding for:
No reply / not reachable / busy
# 61 # / # 62 # / # 67 #
Temporarily activate previously deactivated call forwarding:
No reply / not reachable / busy
* 61 # / * 62 # / * 67 #
Outgoing number display:
Switch on / switch off / check status
* 76 # / # 76 # / * # 76 #
Display of your own number when people call your mobile phone:
Switch on / switch off / check status
* 77 # / # 77 # / * # 77 #
Return phone to factory condition
* # 9999 # green call key
Reset phone to language of home network
* # 0000 # green call key
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