Siemens optiPoint 500 advance - Trunk Flash (Not for Hipath 500)

Making Calls – Convenience Functions
59
Step by Step
Trunk Flash (Not for HiPath 500)
To activate ISDN-type services and features through the
network carrier’s analog trunks or those of other com-
munications platforms (such as "consultation hold"), 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
1
.
or
qie Enter the code.
o Enter the service code and/or telephone number.
Program/Service
*
51=Trunk flash?
[1] ”Different Displays in a HiPath 4000 Environment
(Not for HiPath 500)” Æ Page 120