Panasonic KX-TDE Specs

Panasonic KX-TDE Maximum Configuration
This means all of the specs are up to. You will have to allow for CO, & Phone Ports

Type	TDE100	TDE200	TDE600 Basic	TDE600 2 Shelf	TDE600 3 Shelf	TDE600 4 Shelf
Total Number of CO's	128	128	224	384	544	640
CO (CO Line Card)	112	128	160	320	450	640
CO (Virtual CO Line Card)	64	64	64	64	64	64
H.323 CO Lines	256	256	432	736	1008	1152
SIP CO Lines	64	64	64	64	64	64
Total Number of Extensions	256	256	432	736	1008	1152
Extension (Physical Extension Card)	160	256	304	608	880	1120
PT	-	-	256	512	640	640
SLT	-	-	240	480	720	960
PT & SLT	-	-	304	608	880	1120
Extension (Virtual Extension Card)	128	128	128	128	128	128
IP-PT & IP Soft Phone	128	128	128	128	128	128
SIP Extension	128	128	128	128	128	128