User`s guide

32(32)
Datum/Date Rev
Dokumentnr/DocumentnrUppgjord/Prepared
Dokansv/Godkänd - Doc respons/Approved Kontr/Checked Tillhör/Referens-File/Reference
99-08-17 E
340/155 34-ASB 150 02 Uen
FACILITY DESCRIPTION
Faktaansvarig - Subject responsible
1421
Pulse time for disconnection tone bursts
Default data = 300 ms
1422
Pause time for disconnection tone bursts
Dafault data = 300 ms
Commands 4315 and 4316
Commands 4315 and 4316 determine values, that are
necessary for silent detection
4315
Silent detection level
This command defines the silence detection level. A
lower level is seen as silence. The value is represented
as a signed binary number.
Receiver range: -70dBm to -20dBm
Default value: -40dBm
4316
Silent detection time
This command defines the silent detection time. A
minimum period of silent time has to be detected to be
seen as silence.
Time range: 0, 5 - 30 seconds
Default time: 10 seconds
Selecting 0 deactivates silence detection.
7801
RSU-group reservation
With this command it is possible to reserve each RSU-
group (Register Signalling Unit) for one register
signalling application. The 2 different applications are
traffic register signalling and voice services. If no one
of these are specified it will handle both.
Values: 0 = No RSU-groups reserved (default)
1 = reserved for traffic register signalling
2 = Reserved for voice services
Equipment
With a VMU-HD or MFU installed in the system the
MAILBOX SYSTEM offers voice support to all types of
incoming calls.
This function requires a DTMF receiver and a voice
channel for every call.
The following boards offer DTMF receivers:
BTU-D
Has the capacity of 8 DTMF processes
(receivers at one time)
MFU
up to 4 DTMF receivers only
REG
VMU-HD
Depending on the setting of the jumpers the
VMU-HD offers 16 voice channels or 8 voice
channels and 4 DTMF receivers.