Expansion Stages and System Capacity
56
Mitel SMB Controller
syd-0657/2.0 – R6.0 – 09.2018
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 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
CAS
2)
Remarks
8
2
8
8
6
4
6
2
8
4
8
4
6
8
4
6
30
4
2
2
8
5...10
Depends on the parameter
VoIP mode:
•
G.711
: 10 channels
•
Secure G.711
: 7 channels
•
G.711/G.729
: 6 channels
•
Secure G.711/G.729
: 5 channels
4
2
30
4
4
Only for
VoIP mode
=
G.711
or
G.711/G.729