Zte Telstra pulse User Manual page 29

CALL SETTINGS
Press Apps > Settings > Call settings:
Fixed Dialing
Numbers
Quick
responses
Voicemail
service
Voicemail
settings
TTY mode
DTMF Tones
Speed dial
Restrict outgoing calls to a fixed set of numbers.
This requires support from your network
provider and the SIM PIN2 code
Set a quick response SMS which you can send
instead of answering a call
Select a voicemail service provider
Specify a voicemail number
Enable connection to teletype modems
Set the DTMF tone length
Set Speed Dials. Key 1 is reserved for Voicemail.
Long press the number on the dial pad to call.
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