Sony Ericsson Dialog 3213 User Manual

79

ISDN Facilities

ISDN Facilities

This chapter is only relevant when your system is connected to a 

digital trunk line (ISDN-trunk line). It provides a general view of all 

the (supplementary) services available from the public net which are 

supported by the system. The services from the public net differ 

from market to market. Please ask your system administrator 

which features are available.

Number Identification

The main difference compared to the analog public net is the 

number identification between the connected parties.

When you establish an outgoing external call, the public number of 

your system and your extension number will be sent to the called 

party. If the number of the answering party is different from the 

dialled one (for example, after a diversion), you will also be informed 

about the answering party’s number.
When you answer an incoming external call on your phone (or from 

another phone), you will see the caller’s number on the display. 

Your public number will be sent to the caller.

12 May 10:35 

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431811005446  SPEECH

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