China Mobile HK - Duo Hao Tong

China Mobile Hong Kong “Duo Hao Tong”－ CMHK postpaid customers can take control of a maximum of 5 numbers (include 1 HK fixed-line number) in a single mobile phone via “Call Manager”. You can choose any of your mobile numbers to be shown on your counterparty's mobile with caller display function. Another function of the app is to let you know which number your counterparty is calling.

Main feature:
One APP for Multi-Number: Easy to manage Multi-Number without switching numbers, changing mobiles or call forwarding.
Ease Communication: To switch your mobile numbers for making or receiving calls and sending or receiving SMS freely.
Apply the secondary number at your fingertips: the secondary number will be activated righ away upon the subscription via APP. It is good for long term and short term use.
Privacy Protection: Secondary mobile number can be switched on or off for your privacy protection.

*“Duo Hao Tong" is an exclusive service available to monthly plan subscribers of China Mobile Hong Kong.
#Fixed-line number as “Secondary Number” could support incoming calls only, it cannot make any outgoing calls.