Mitel Aastra 470 System Manual page 52

Expansion Stages and System Capacity
Parameter
Reserved for Auto-Attendant
Reserved for call recording
Non-reserved/shared
No voice channels are reserved after a first start and they can be used for voice
mail, auto attendant or call recording.
Configuration of DSP chips
The functions which can be allocated to each DSP chip are determined in the DSP
configuration ( =ym). The DSP modules provide additional functions as indicated
in the following table. All the possible combinations are listed, with the maximum
number of voice channels.
Tab. 21 Max. number of voice channels per DSP chip on CPU1, SM-DSPX1 or SM-DSPX2
1)
DECT VoIP FoIP
10
8
8
4
4
4
4
5...8
4
4
3 3
1)
Licence(s) required (see also
2)
Of relevance only to certain countries such as Brazil
52
Explanation
Number of audio channels on this node that can be used
exclusively for auto attendant.
Number of audio channels on this node that can be used
exclusively for call recording.
Number of audio channels on this node that can be used
for voice mail, auto attendant or call recording, depend-
ing on where they happen to be required.
1) 1)
Audio GSM FXO
12
5
32 5
24 10
12 20
12
18 10
12
46
64
"Licences", page 67).
2)
CAS Remarks
150
Depends on the parameter
• G.711: 8 channels
• Secure G.711: 7 channels
• G.711/G.729: 6 channels
• Secure G.711/G.729: 5 channels
Only for VoIP mode
150 Only for VoIP mode
150
VoIP mode:
= G.711 or G.711/G.729
= G.711 or G.711/G.729
Aastra 470 as of R3.2
syd-0337/1.6 – R3.2 – 09.2014