Expansion Stages and System Capacity
3.3.1.1 DSP modules
Processor-intensive system functions require media resources. The communication server’s DSP capacity
increases through the use of DSP modules.
Figure 5: Design of the DSP module
DSP modules are stacked on the DSP slot on the mainboard (see Interfaces, display and control elements
on page 40) and do not take up any slots for interface cards (see Fitting DSP modules). The different
types of modules can be used as a mix.
Table 15: DSP modules
Type Number of DSP chips per
module
Max. number of modules per
system
SM-DSPX1 1
SM-DSPX2 2
3
Note:
Do not use the older DSP modules of type SM-DSP1 and SM-DSP2 as these modules are not
supported with Mitel SMB Controller.
Allocatable functions
One or more functions can be allocated to the individual DSP chips on the DSP modules. For this the DSP
chips have to be loaded with different firmware. The additional media resources can be used for DECT
telephony, Voice over IP, fax transmissions, audio services or integrated mobile/external phones. This
means that for each DSP chip a specific number of channels is available for the corresponding functions.
Functions are allocated in WebAdmin in the Media resources view.
Release 7.1
System Manual for Mitel SMB Controller 46
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