Panasonic KX-NCP500 Installation Manual page 30

1.3.3 System Capacity
DSP Card Resources
The maximum number of simultaneous calls using IP protocols is determined by the type of call, codec(s) used,
and digital signal processor (DSP) card installed in the PBX.
Below are some example configurations and the maximum number of simultaneous calls for each.
For Calls between Virtual Trunks and Virtual Extensions
Codec(s) Used
G.711
G.711+G.729A
*1
G.729A
*1 For example, when a virtual extension uses G.711 and a virtual trunk uses G.729A for the same call.
For Calls between Virtual Trunks and Physical Card Extensions (e.g., DPTs, etc.)
Codec Used
G.711
G.729A
For Calls between Virtual Extensions and Physical Card Extensions/Trunks (e.g., PRI, etc.)
Codec Used
G.711
G.729A
Note
For non-peer-to-peer calls via the DSP card, calls cannot be made or received when all of the card's
resources are being used.
30 Installation Manual
Maximum Number of Simultaneous Calls
DSP4 Card
8
2
2
Maximum Number of Simultaneous Calls
DSP4 Card
5
2
Maximum Number of Simultaneous Calls
DSP4 Card
16
4
DSP16 Card
32
12
8
DSP16 Card
32
12
DSP16 Card
64
16
DSP64 Card
64
42
32
DSP64 Card
64
50
DSP64 Card
113
64