Panasonic KX-NCP500 Installation Manual page 32

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 CO Lines 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 CO line uses G.729A for the same call.
For Calls between Virtual CO Lines and Physical Card Extensions (e.g., DPTs, etc.)
Codec Used
G.711
G.729A
For Calls between Virtual Extensions and Physical Card Extensions/CO Lines (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.
32 Installation Manual
Maximum Number of Simultaneous Calls
DSP4 Card DSP16 Card
8
2
2
Maximum Number of Simultaneous Calls
DSP4 Card DSP16 Card
5
2
Maximum Number of Simultaneous Calls
DSP4 Card DSP16 Card
16
4
DSP64 Card
32 64
12 42
8 32
DSP64 Card
32 64
12 50
DSP64 Card
64 113
16 64
Document Version 2011-10