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Maximum CO Lines and Extensions

The PBX supports the following number of CO lines and extensions.

Type

Basic

System

2-shelf

System

3-shelf

System

4-shelf

System

Total Number of CO Lines 224 384 544 640

CO Line (Physical CO Line Card) 160 320 480 640

CO Line (Virtual CO Line Card) 64

H.323 CO Lines 32

SIP CO Lines 32

Total Number of Extensions 432 736 1008 1152

Extension (Physical Extension Card) 304 608 880 1120

PT 256 512 640

640

SLT 240 480 720 960

PT and SLT 304 608 880 1120

Extension (Virtual Extension Card) 128

IP-PT and IP Softphone 128

SIP Extension

Only 49 virtual CO line/extension card channels can be in use at any one time (except for peer-to-peer calls for IP extensions).

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 Document Version 2009-12

1.3.3 System Capacity

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PURE M3700 Installationshandbuch Seite 38