Mitel 470 System Manual page 55

Tab. 20 Reserving audio channels
Parameter
Available audio channels
Reserved for Auto-Attendant
Reserved for voice mail
Reserved for call recording
Reserved for announcements
Non-reserved/shared
No audio channels are reserved after a first start and they can be used for voice mail,
auto attendant, call recording or announcement.
Configuration of DSP chips
The functions which can be allocated to each DSP chip are determined in the
resources ( =ym) view. The DSP modules provide additional functions as indicated in
the following table. All the possible combinations are listed, with the maximum number
of channels.
Tab. 21 Max. number of 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
Mitel 470 as of R4.1
syd-0585/1.2 – R4.1 – 08.2016
1) 1)
Audio GSM FXO
12
5
32 5
24 10
12 20
12
18 10
12
Expansion Stages and System Capacity
Explanation
Maximum available audio channels on this node. This value
depends on the configuration of the media sources.
Number of audio channels on this node used for auto atten-
dant and queue with announcement only.
Number of audio channels on this node that can be used
exclusively for voice mail.
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
exclusively with audio file.
Number of audio channels on this node which can be used
by voice mail, auto attendant, queue with announcement,
call recording, announcement with audio file or conference
bridge, depending on how they are needed at that time.
Announcement service and music on hold use their own
resources.
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
Media
VoIP mode:
= G.711 or G.711/G.729
= G.711 or G.711/G.729
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