http://help.vodafone.co.nz/app/answers/detail/a_id/4271/~/how-do-i-divert-calls-from-a-business-landline%3F
How do I divert calls from a business landline?
To divert calls from another phone to your Vodafone business landline:
- Lift the handset and wait for the dial tone.
- Dial 181, followed by a code number between 161 and 169. (This code will be registered to this number, so keep a note of it.)
- Dial the number to which calls are to be diverted, including area code if the number is outside your local calling area (e.g. 181 - 163 - 09 - 962 9100), then press the # key.
- Wait for the dial tone.
- Hang up.
To divert calls from your Vodafone business landline to another phone:
- Lift the handset and wait for the dial tone.
- Dial the appropriate code (i.e.. 161, 162 etc) for the number you wish to divert to.
- Wait for dial tone.
- To confirm the correct diversion has been made, wait a little longer and a call will automatically go through to the selected diversion number.
- Hang up.
To cancel call diversion:
- Lift the handset and wait for the dial tone.
- Dial 160.
- Wait for dial tone.
- Hang up.