45
B
ASIC SYSTEM
CHAPTER 3 EXPANSION STAGES AND SYSTEM CAPACITY
Selectable functions of the mainboard DSP
The DSP on the mainboard provides selectable functions. A description of the individual functions can be
found as of Allocatable functions
.
The functions are determined in the Media resources (=ym) view. In the following table, all the possible
combinations are listed, with the maximum number of channels. For this the DSP chip on the mainboard
has to be loaded with different firmware. Additional functions require the use of one or more DSP
modules. Some of these functions are subject to a licence.
FSK receiver for CLIP detection on analogue network interfaces 2
FSK transmitter for CLIP display on analogue terminals 2
Total audio channels for basic voice mail (G.711)
1
or auto attendant
2
2
1. Can be used without licence subject to the following restrictions: Voice memory capacity approx. 20 minutes, no e-mail
notification in the event of new voice messages, no forwarding of voice messages, no call recording, restricted voice mail
menu by remote retrieval.
2. Licence required
Table 3.4:Selectable functions of the mainboard DSP
DECT
VoIP
1
1. Licences required (see also Licences)
Audio
a
GSM
a
CAS
2
2. Of relevance only to certain countries such as Brazil
Modem Remarks
4 Standard
configuratio
n
2 2 8
2 2 30
4 8
4 30
3 G.711 VoIP
channels
only, two of
them can
be used
licence--fre
e.
1
Table 3.3:Fixed functions of the mainboard DSP (Continued) (Sheet 2 of 2)