GSM Codes

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     To Bar Outgoing Calls (National)
     To Bar Outgoing Calls (International)
     To Bar Incoming Calls (National)
     To Bar Incoming Calls when Roaming
     To Cancel all Call Barring
     To Alter your Call Barring Code
     To Divert/Forward all calls
     To Divert/Forward on no answer
     To Divert/Forward on busy
     To Divert/Forward on out of range
     To cancel all Diverts/Forwards

To Bar Outgoing Calls (National)

Your initial barring code is network dependent.
On MTN it is set to be 0000 unless you have changed it.
ON Vodacom it is set to be 1111 unless you have changed it.
Contact your Network or Service Provider if you are not sure what it is.

To activate:            *33*Barring Code#DIALLING KEY
To cancel:              #33*Barring Code#DIALLING KEY
To interrogate:         *#33#DIALLING KEY

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To Bar Outgoing Calls (International)

Your initial barring code is network dependent.
On MTN it is set to be 0000 unless you have changed it.
ON Vodacom it is set to be 1111 unless you have changed it.
Contact your Network or Service Provider if you are not sure what it is.

To activate:            *331*Barring Code#DIALLING KEY
To cancel:              #331*Barring Code#DIALLING KEY
To interrogate:         *#331#DIALLING KEY

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To Bar Incoming Calls (National)

Your initial barring code is network dependent.
On MTN it is set to be 0000 unless you have changed it.
ON Vodacom it is set to be 1111 unless you have changed it.
Contact your Network or Service Provider if you are not sure what it is.

To activate:            *35*Barring Code#DIALLING KEY
To cancel:              #35*Barring Code#DIALLING KEY
To interrogate:         *35##DIALLING KEY

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To Bar Incoming Calls when Roaming

Your initial barring code is network dependent.
On MTN it is set to be 0000 unless you have changed it.
ON Vodacom it is set to be 1111 unless you have changed it.
Contact your Network or Service Provider if you are not sure what it is.

To activate:            *351*Barring Code#DIALLING KEY
To cancel:              #351*Barring Code#DIALLING KEY
To interrogate:         *#351#DIALLING KEY

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To cancel all Call Barring

Your initial barring code is network dependent.
On MTN it is set to be 0000 unless you have changed it.
ON Vodacom it is set to be 1111 unless you have changed it.
Contact your Network or Service Provider if you are not sure what it is.
All Call Barring services can be deactivated simultaneously by entering the
following command:

To cancel all barring:  #330*Barring Code#DIALLING KEY

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To Alter your Call Barring Code

Your initial barring code is network dependent.
On MTN it is set to be 0000 unless you have changed it.
ON Vodacom it is set to be 1111 unless you have changed it.
Contact your Network or Service Provider if you are not sure what it is.

Key:    **03*330*Old Barring Code*New Barring Code*New Barring Code#DIALLING KEY

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TO DIVERT ALL CALLS:

To Activate:            **21*176# DIALLING KEY
To Cancel:              ##21# DIALLING KEY
To Interrogate:         *#21# DIALLING KEY

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TO DIVERT ON NO ANSWER:

To Activate:            **61*176# DIALLING KEY
To Cancel:              ##61# DIALLING KEY
To Interrogate:         *#61# DIALLING KEY

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TO DIVERT ON BUSY:

To Activate:            **67*176# DIALLING KEY
To Cancel:              ##67# DIALLING KEY
To Interrogate:         *#67# DIALLING KEY

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TO DIVERT ON OUT OF RANGE:

To Activate:            **62*176# DIALLING KEY
To Cancel:              ##62# DIALLING KEY
To Interrogate:         *#62# DIALLING KEY

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TO CANCEL ALL CALL FORWARDING:

##002# DIALLING KEY

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