Panasonic KX-TDE600, Руководство по установке

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