Trunk Flash (Not In Hipath 500) - Siemens HiPath 500 Operating Instructions Manual

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51=Trunk flash?
38

Trunk Flash (Not in HiPath 500)

To activate ISDN-type services and features (such as,
"consultation hold") through the network carrier's analog
trunks or those of other communication platforms, you
must send a signal to the trunks before dialing the ser-
vice code or telephone number.
Precondition: You have set up an external connection.
Press the key. The LED lights up.
:
Select and confirm
or
qie
Enter the code.
o
Enter the service code and/or telephone number.
[1] "Different Displays in a HiPath 4000 Environment (Not in
HiPath 500)"
1
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page 118