Telstra Phone Fax Duet

Duet – Phone and Fax Multiple Number (Duet) allows the customer to add a fax number to the existing phone line. This gives the customer two numbers. One dedicated to voice calls and the other number dedicated to fax calls – all without the need to instal a second line.

Features & Benefits

  • Distinguish between Fax calls and voice calls

  • Duet is recognisable by 3 short bursts of ring then a pause, which are repeated until answered or call timed-out.

  • Separate fax calls and voice calls on the bill

  • Duet will direct the call to the fax machine without manual intervention.


Duet – Phone & Fax Multiple Number Pricing

Price GST Inc 

Monthly rental Prime Service


Monthly rental Auxiliary number


Monthly rental Auxiliary number


Connection Fee


Call Charges 

Refer to service type (e.g. HomeLine Plus, BusinessLine Complete etc)  

* Outgoing calls against the Duet number will be displayed against the Duet number, provided the customer has accessed the Duet number by dialling * 11* 3 # prior to making the outgoing call.