Panasonic KX-TDE600 Installation Manual page 38

1.3.3 System Capacity
Maximum Trunks and Extensions
The PBX supports the following number of trunks and extensions.
Total Number of Trunks
Trunk (Physical Trunk Card)
Trunk (Virtual Trunk Card)
H.323 Trunks
SIP Trunks
Total Number of Extensions
Extension (Physical Extension Card)
PT
SLT
PT and SLT
Extension (Virtual Extension Card)
IP-PT and IP Softphone
SIP Extension
Only 49 virtual trunk/extension card channels can be in use at any one time (except for peer-to-peer calls for IP extensions).
*1
The maximum number of PTs in the whole system is limited to 640.
*2
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.
38 Installation Manual
Type
Basic 2-shelf
System System
192 352
160 320
64
32
32
432 736
304 608
256 512
240 480
304 608
128
128
3-shelf 4-shelf
System System
512 640
480 640
*1
1008 1152
880 1120
640 640
*2 *2
720 960
880 1120
*1