How to use ZONE GlobalDial service?

ZONE Telecom > Business > ZONE GlobalDial
•    DialForward 
 
1.    Before leaving Singapore, divert all voice calls from your Singapore mobile or telephone to the assigned DialForward Access Number using the following methods: 
        Option 1:     To use the Call Forwarding / Call Divert function from your mobile phone and forward it to the 8-digit DialForward Access Number (eg. 6XXXXXXX)
        Option 2: To activate, key in **21* DialForward Access Number # and send (eg. **21*6XXXXXXX#).
        To deactivate, key in ##002# and send              
 
2.    However, if you are already in overseas, you can still divert your calls by using the following Call Forwarding / Call Divert function from your mobile phone.   Alternatively, you may contact your mobile service provider for assistance.
        Option 1:      To use the Call Forwarding / Call Divert function from your mobile phone and forward it to the 8-digit DialForward Access Number (eg. 6XXXXXXX)
        Option 2:      To activate, key in **21* DialForward Access Number # and send (eg. **21*6XXXXXXX#).
        To deactivate, key in ##002# and send              
 
3.    When you get to your overseas destination, insert your overseas SIM card and turn on your mobile and you will start receiving all Singapore incoming calls on your overseas mobile number.
 
•    Call-Me-Back
 
1.    Before making a call, purchase an overseas SIM card with free incoming calls and insert into your phone.
 
2.    Update ZONE with your overseas mobile or fixed line number through SMS
 
3.    To make a call, dial your 8-digit Call-Me-Back Access Number in Singapore (eg. +656XXXXXXX) from your overseas mobile number to make any international outgoing calls 
 
4.    You will hear a ringing tone once.  The call will be disconnected.  Hang up and wait for ZONE to call you back. 
 
5.    Answer the call and dial the Country Code + Area Code + Telephone Number you wish to reach, followed by the ‘#’ (hex) key when prompted.  Your call will be connected shortly.