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Office Communication Systems

IP-PBX KX-NCP / TDE Series

Comparison Sheet

Software Version

  • KX-NCP500 / 1000 PBMPR Version 6.0
  • KX-TDE100 / 200 PMMPR Version 6.0
  • KX-TDE600 PGMPR Version 6.0

System Capacity

Maximum Number of Trunks and Extensions

The PBX supports the following number of trunks and extensions.

KX-NCP Series
Type KX-NCP500 / KX-NCP1000
Total Number of Trunks 128
Trunk (Physical Trunk Card) 64
Trunk (Virtual Trunk Card) 64
H.323 Trunks 32
SIP Trunks 64
Total Number of Extensions 172
Extension (Physical Extension Card) 44
Extension (Virtual Extension Card) 128
IP-PT and IP Softphone 128
SIP Phone 128
KX-TDE Series
Type KX-TDE100 KX-TDE200 KX-TDE600
Basic System 2-shelf System 3-shelf System 4-shelf System
Total Number of Trunks 128 128 224 384 544 640
Trunk (Physical Trunk Card) 120 128 160 320 480 640
Trunk (Virtual Trunk Card) 64 64 64 64 64 64
H.323 trunks 32 32 32 32 32 32
SIP trunks 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
Extension (Virtual Extension Card) 128 128 128 128 128 128
IP-PT and IP Softphone 128 128 128 128 128 128
SIP Extension 128 128 128 128 128 128

* The maximum number of PTs in the whole system is limited to 640.

Maximum Terminal Equipment

The following shows the number of each terminal equipment type supported by the PBX.

KX-NCP Series
Terminal Equipment Type KX-NCP1000
Telephone 172
SLT 36
KX-DT300 / KX-T7600 series DPT 40
Other DPT 10
APT 4
IP-PT*1 128*2
SIP Extension 128
DSS console 8
CS 21*3
PT-interface CS (2-channel) 11
PT-interface CS (8-channel) 5
IP-CS (8-channel) 16
PS 64
Voice Processing System (VPS) 2
Doorphone 16*4
Door Opener 16
External Sensor 16
External Relay 16

*1 KX-NT400, KX-NT300 series, and KX-NT265 (software version 2.00 or later only)
*2 For the KX-NT400, the maximum number of extensions that can be connected to the PBX is 64.
*3 One 8-channel PT-interface CS or IP-CS counts as 2 CSs, up to a maximum of 32 CSs. Therefore, the maximum number of CSs is 21 (eleven 2-channel CSs + ten 8-channel CSs).
*4 For the KX-NCP500, when using the DPH2 card, the maximum number of doorphones is 12.

KX-TDE Series
Terminal Equipment Type KX-TDE100 KX-TDE200 KX-TDE600
Basic System 2-shelf System 3-shelf System 4-shelf System
Telephone (using Digital XDP) 256 256 368 (432)*1 608 (736)*1 848 (1008)*1 992 (1152)*1
SLT 128 168 240 480 720 960
KX-DT300 / KX-T7600 series DPT 128 256 256 512 640 640
Other DPT 32 128 128 256 384 512
APT 24 64 80 160 240 320
IP-PT 192 192 288 448 608 704
IP-PT*2 (supported by IP-EXT16 card) 96 128 160 320 480 640
IP-PT*3 (supported by IPCEMPR card) 128*4 128*4 128*4 128*4 128*4 128*4
SIP Extension 128 128 128 128 128 128
DSS console 8 8 64 64 64 64
CS 32*5 32*5 32*5 64*5 96*5 128*5
PT interface CS (2-channel) / CS for CSIF card 32 32 32 64 96 128
PT interface CS (8-channel) 16 16 16 32 48 64
IP-CS (8-channel) 16 16 16 16 16 16
PS 128 128 512 512 512 512
Voice Processing System (VPS)*6 2 2 8 8 8 8
Doorphone 16 16 16 32 48 64
Door Opener 16 16 16 32 48 64
External Sensor 16 16 16 32 48 64
External Relay 16 16 16 32 48 64

*1 Even when Digital XDP is used, each shelf supports a maximum of 256 KX-DT300 / KX-t7600 series DPTs.
*2 KX-NT300 series (except KX-NT366/KX-NT305), KX-NT265, and KX-NT136.
*3 KX-NT400, KX-NT300 series, and KX-NT265 (software version 2.00 or later only).
*4 For the KX-NT400, the maximum number of extensions that can be connected to the PBX is 64.
*5 One 8-channel PT-interface CS or IP-CS counts as 2 CSs for the total number of CSs.
*6 Only a single VPS can be connected to one optional service card.