Business Grade VoIP Telephone Our local call, national and fixed to mobile pricing operates on a discount structure based on the plan you select. Type of call flag fall Rate per minute Paid in advance Rate per minute Paid in arrears National wide standard landline NIL 7.7 cents/min 10 cents/min Australian Mobiles NIL 31.9 cents/min 38 cents min 13/1300 33 cents NIL NIL 1223 National directory assistance 77 cents NIL NIL 1225 International directory assistance 2.20 NIL NIL UK and USA standard landline NIL 4 cents/min 5 cents/min