Aastra 470 - Page 50

Expansion Stages and System Capacity
50
Aastra 470 ab R3.0
syd-0337/1.5 – R3.0 – 05.2013
Fixed DSP functions on the call manager card
The table below provides an overview of fixed DSP functions on the call manager
card. Except for the Enterprise Voice Mail channels no licences or additional hard-
ware are required to be able to use the functions.
Tab. 14 System modules on the call manager card
System modules on the call manager card
A DSP chip on the call manager card provides selectable functions. A description of
the individual functions can be found as of page 52.
The functions are specified in the DSP configuration using the AMS Configuration
Manager. In Tab. 19 all the possible combinations are listed, with the maximum
number of voice channels. For this the DSP chip on the Call Manager card 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.
Max. number of simultaneous ...
Number of
entries
Total circuits for the functions
1)
three-party conference, six-party conference, intrusion and
silent intrusion.
2)
1)
The functions can all be of the same type or used as a mix.
2)
Licence required
10
Circuits for the Call Waiting function 6
DTMF sender 9
DTMF receiver for voice mail or Auto Attendant 8
DTMF receiver for analogue terminals 8
Dialling tone receiver 2
Busy tone receiver 5
Ring receiver 2
FSK receiver
3)
for CLIP detection on analogue network interfaces
3)
One FSK transmitter available per FXS interface for CLIP display on analogue terminals. No DSP resources re-
quired.
2
CAS transmitter/receiver for PRI network interfaces
4)
4)
Of relevance only to certain countries such as Brazil
30
Total audio channels for basic voice mail
5)
or Auto Attendant
2)
5)
Can be used without licence subject to the following restrictions: Voice memory capacity approx. 20 min-
utes, no e-mail notification in the event of new voice messages, no forwarding of voice messagesn, no call
recording, resctricted voice mail menu by remote retrieval.
2
Total audio channels for Enterprise voice mail
2)
, Auto Attendant
2)
or call recording
2)
8