Number Withhold user guide
Number Withhold for individual calls (per call)
Before dialling the phone number, simply dial 0197 or 197 if the number you are calling from has a toll bar.
This code activates Number Withhold for that call only.
You need to dial in the code every time you want to withhold your number.
Number Withhold (automatic)
If you have this service, just dial the number as usual. Your number will never be displayed, except to 111 emergency services and our operators.
Number Withhold override
You can override Number Withhold (automatic) by dialling 0196 or 196 if the number you are calling from as a toll bar.
You will need to dial this code every time you want to override Number Withhold (automatic).
More Info on
http://www.telecom.co.nz/content/0,8...4-1019,00.html