Huawei Mate 9 - Manual (Page 108)

When pocket mode is enabled, the ringtone volume will gradually increase when you receive a
call and your phone is in your pocket or bag.
Enabling fixed dialing numbers
Use fixed dialing numbers to restrict outgoing calls to whitelisted numbers.
Your PIN2 code is required to enable fixed dialing numbers. To obtain your PIN2 code,
contact your carrier.
1
Open Dialer.
2
Touch > Settings > Additional settings > Fixed Dialing Numbers. If your phone has
dual SIM support, touch Additional settings > Fixed Dialing Numbers under SIM 1 or SIM
2.
3
To enable fixed dialing numbers, touch Enable FDN, enter your PIN2 code, and then touch
OK.
You will be prompted to enter the PUK2 code after three incorrect attempts to enter your
PIN2 code. To obtain the PUK2 code, contact your carrier.
4
To add a contact, touch .
After enabling fixed dialing numbers, you will only be able to make calls to whitelisted numbers.
Rejecting calls with a text message
Send a predefined text message when you're not available to take a call.
1
Open Dialer.
2
Touch > Settings > Reject calls with SMS.
3
Touch a predefined text message to edit the message content. Once you have finished, touch
OK to save the message.
When you are unavailable to take an incoming call, touch and select a predefined message
to send to the caller.
Calls and Contacts
102