Siemens HiPath 4000 Manuel d'utilisateur télécharger pdf (Page 46)

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Special functions for One Number Service

Special functions for One Number

Service

If your telephone is integrated in an ONS group (ONS =

"One Number Service"), you may be reached on all other

telephones in this group, just as on your own tele-

phone. For setting up an ONS group, contact your ad-

ministrator.

An ONS group can consist of a maximum of

3 telephones (phone numbers).

One member of the group may be an external tele-

phone (e.g. a mobile telephone). One telephone in the

group is the "master" (A); the master's phone number is

also received by the other parties (B, C) in the ONS

group.

If A, B or C is called, all telephones in the ONS group

ring. If A, B or C is busy, all telephones in the ONS group

are busy (busy tone for a caller from outside the ONS

group). Each telephone within the ONS group may be

reached at its original phone number.

The following features have further effects for internal

party telephones within an ONS-group:

• Call waiting  page 22

• Call Forwarding  page 33

• Do not disturb  page 40

• Line mailbox (MWI)  page 21

• Callback  page 13

If your ONS group contains a mobile tele-

phone, make sure that it is always available

(switched on). Otherwise the mobile mailbox

may answer the call prematurely, which can

lead to problems when signaling the call on

the other ONS group members.

A (Master) B C

ONS-Group

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Siemens HiPath 4000 Manuel d'utilisateur Page 46