Using dual-tone multifrequency signalling, Using dual-tone multifrequency sig- nalling – Siemens HIPATH 500 User Manual

Page 57

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Conducting calls – enhanced functions

49

Step-by-Step

Using dual-tone multifrequency sig-
nalling

Your handset operates on the basis of digital informa-
tion transmission. However, certain applications, e. g.
answering machines, can only be controlled using ana-
log technology. For this you must send signals using the
dual-tone multifrequency signalling (DTMF) process.

Depending on how your system is configured (automat-
ic tone dialling on or off - to be configured by the service
engineer) you must first switch to DTMF dialling. This
means, for example, that you can communicate with a
variety of voice storage systems.

You will find further details in the operating instructions
for the relevant applications.

Automatic tone dialling is not active

During a connection you must first switch to dual-tone
multifrequency signalling.

p

You are on a call.

Call the system menu.

> <

[

Select and confirm the menu item.

> <

[

Select and confirm the menu item.

o

Enter the numbers. All entries are sent as DTMF sig-
nals.

Automatic tone dialling is active

o

Enter the numbers. All entries are sent as DTMF sig-
nals.

Menu

Service?

*53=Tone dialling?

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