Mitel 470 - Page 55

Expansion Stages and System Capacity
55
Mitel 470 as of R4.1
syd-0585/1.2 – R4.1 – 08.2016
Tab. 20 Reserving audio channels
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 Media
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
Parameter Explanation
Available audio channels Maximum available audio channels on this node. This value
depends on the configuration of the media sources.
Reserved for Auto-Attendant Number of audio channels on this node used for auto atten-
dant and queue with announcement only.
Reserved for voice mail Number of audio channels on this node that can be used
exclusively for voice mail.
Reserved for call recording Number of audio channels on this node that can be used
exclusively for call recording.
Reserved for announcements Number of audio channels on this node that can be used
exclusively with audio file.
Non-reserved/shared 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.
DECT VoIP
1)
FoIP Audio
1)
GSM
1)
FXO CAS
2)
Remarks
10
812
85
4325
42410
41220
412150
5...8 Depends on the parameter VoIP mode:
• G. 711 : 8 channels
• Secure G.711: 7 channels
• G. 711 / G. 72 9 : 6 channels
• Secure G.711/G.729: 5 channels
41810 Only for VoIP mode = G.7 11 or G.711/G.729
412 150Only for VoIP mode = G.7 11 or G.711/G.729