How does Telstra® FaxStream® Duet® Work?; How does Telstra; A - 2- Page 141

A - 2

   APPENDIX A

How does Telstra

®

 FaxStream

®

 Duet

®

 Work?

Incoming calls to the voice number, will have the standard ring 
pattern of long, long tone, followed by a pause, repeated, while the 
new fax number will have a different ring pattern of three short bursts 
of ring, repeated at regular intervals.

When FaxStream

®

 Duet

®

 is 

On

 and you receive a voice call all 

extension and external phones will ring with a standard ring pattern. 
The fax machine will ring on the third ring with a standard ring 
pattern. All external and the extension phones will continue to ring. 
Either you or a telephone answering device can answer the voice 
number.

When FaxStream

®

 Duet

®

 is 

On

 and you receive a fax call on the 

Duet

®

 number the Fax machine will answer and automatically 

receive the fax message without ringing. On the other hand, all 
extension and external phones will ring with a distinctive ring pattern. 
Do not answer the phone as you are receiving a fax message.

All extension phones ring,
fax machine is silent.

Fax machine automatically
receives and prints fax 
message without  ringing.

Fax machine begins
ringing on third ring.

Registered 
Duet (Fax) Number

Main number (Voice Number)

You answer the call 
at an external phone 
or an extension 
phone.

Telephone Answering
Device (TAD)
answers the call.

Incoming Call

(either Voice or Fax)

Flowchart Sequence of Incoming call