NISSAN 2015 GT R - Multi Function Display Owner's Manual - Manual (Page 217)

8-18 Voice recognition
then ask to speak the next three digits. Then,
speak “Six Six Two”. After recognition, the
system will then ask to speak the last 4 digits.
Speak, “Six Two Zero Zero”. Using this method
of phone digit entry can improve recognition
performance.
INFO:
For best recognition, speak “zero” for the
number “0” and “oh” for the letter “o”.