Remote Dtmf Administration; Remote Error Signalling; Outgoing: Callback/Error Signalling - Siemens Hicom 150 E Office Service Manual

Hicom 150 E Office Rel.1.0 Service Manual - 13 Service
Figure 13-1 Peripheral equipment for remote administration and maintenance operation

13.5.1 Remote DTMF administration

This feature makes it possible to easily program the system remotely by transmitting DTMF signals.
The user interface on the programming terminal is the same as the UI that appears when activating the
system administration on-site, i.e. the menu guidance is the same as on-site. Passive remote DTMF
administration must generally be enabled on the destination system.
In addition, the called party must activate remote administration for his current connection by running
a procedure and specifying a password (6 digits long).
Any administrator can activate active remote DTMF administration mode on the source system by
means of a code procedure. This requires that active DTMF operation mode is generally enabled in
the CDB.
Remote DTMF administration can be executed over analog and digital trunks. Remote DTMF
administration can be executed on any Hicom 150 E system from any other Hicom 150 E system. The
system to be administered must be of the same type or more compact than the administering system.

13.5.2 Remote error signalling

13.5.2.1 Definition
Service-related errors (class B errors) can be automatically transmitted to a service centre via the
integrated modem. Class A, B and C errors are not signalled; the error memory can be displayed using
the Hicom Assistant E service tool. All errors not yet transmitted are transferred 15 minutes after the
first error occurs. If all errors are corrected within this period of time, e.g. if a board that has failed is
placed back into operation, no errors are signalled. The errors in the error memory are converted to
class C errors. The error report consists of a header and the error data, which is transmitted in binary
format. The header contains a clear identification of the transmitting customer system.
The service centre can monitor the functionality of the automatic error signalling facility as needed. In
order to do this, the system software generates, in definable intervals, a pseudo-error that acts as a
function test.

13.5.2.2 Outgoing: callback/error signalling

Definition
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