Aastra 470, System Manual, Page: 47 / 250

Expansion Stages and System Capacity
47
Aastra 470 as of R1.2
syd-0337/1.2 – R1.2 – 11.2011
Configuration of DSP chips
The assignable functions for each DSP chip are specified in the AMS Configuration
Manager in the
DSP configuration . 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. 18 Max. number of voice channels per DSP chip on CPU1, SM-DSPX1 or SM-DSPX2
Tab. 19 Max. number of voice channels per DSP chip on SM-DSP1
1)
or SM-DSP2
1)
Notes
– With the exception of the IP media modules the configured VoIP mode
applies to all the DSP chips of a node. If the VoIP mode is set to G.711 ,
two G.711 VoIP channels per system can be used without a licence. The
G.711 VoIP channels of the configurable DSP chip on processor card
CPU1 can be combined with G.711 VoIP channels of DSP modules.
DECT VoIP
1)
1)
Licence(s) required (see also "Licences", page 59 ).
FoIP VM/AA
1)
GSM
1)
FXO Remarks
10
8 12
8 5
4 32 5
4 24 10
4 12 20
2 4 10
5...8 Depends on the parameter VoIP mode:
• G.711 : 8 channels
• secure G.711 : 7 channels
• G.711/G.729 : 6 channels
• secure G.711/G.729 : 5 channels
4 18 10 Only for VoIP mode = G.711 or G.711/G.729
3 3
46
64
DECT VM/AA
1)
1)
Licence(s) required (see also "Licences", page 59 ).
GSM
1)
Remarks
10
8 10
6 18 10
46
1)
Although no longer available, the module is still supported.