Zte z828 User Manual page 58

Settings > Call settings.
2. Touch Fixed Dialing Numbers and the following options are
available:
 Enable FDN: Input the PIN2 code to enable the FDN
feature.
 Change PIN2: Change the PIN2 code for FDN access.
 FDN list: Manage the FDN list.
NOTE:
The PIN2 code is provided by your carrier. Entering an incorrect
PIN2 code more times than allowed can get your micro-SIM card
locked. Contact the service provider for assistance.
Forward Incoming Calls
Call forwarding feature allows you to forward your incoming calls
to another phone number.
1. Touch the Home key >
Settings > Call settings.
2. Touch Call forwarding.
3. Touch an available option ( Always forward, When busy,
When unanswered, or When unreachable) to enable it.
Set TTY Mode
Select a TTY mode for your phone to work with a teletypewriter,
or turn TTY off.
1. Touch the Home key >
Settings > Call settings > TTY mode.
> (in the top search field) >
> (in the top search field) >
58