Additional features1015. Press OK.6. Enter your PIN.7. Press OK.8. Select Username/number.9. Press OK.Three possible Username/number combinations appear. If nocombinations are defined, the default (empty) combinations arelabeled Username/number1, Username/number2, and Username/number3.10. Select one of the Username/numbers.11. Press OK.12. Change the existing user name or define a new user name for thevideophone you want to grant access to.13. Press OK.14. Change the existing telephone number or define a new telephonenumber for the videophone you want to grant access to.Note: Nortel recommends that the user name and telephone numbercorrespond to the same monitoring telephone.15. Press OK.The selected videophone can access your IP Phone 1535 videocamera and microphone if you enable video supervision.Blocking outgoing callsYou can block outgoing calls with initial digits that match a defined barredprefix code—each code supports a maximum of five digits. TheIP Phone 1535 supports up to five prefix codes.To access the call barring feature, you need your IP Phone 1535 PIN.The default PIN is 0000. For more information about configuring yourPIN, contact your System Administrator.