USER:AFILER LIST OF TELEPHONE SWITCHES

This is an incomplete list of central office ([[telephone company]] operated) telephone switches.

AGCS

See

Automatic Electric

==American Digital

Switching==

Centura

2000^[1]

Avaya

Currently Available

Avaya Switches

- Application Server 5300 (AS5300)
- Communication Manager
- G600

INDeX

- IP Office
- PARTNER ACS (Advanced Communications

System)

- PARTNER Small Office Edition
- S8730

Discontinued Avaya Switches

- 1A2 Key System

(Electro-mechanical Key System made by Western Electric)

DEFINITY BCS (Business Communications System)

- DEFINITY ECS

(Enterprise Communications Server)

- DEFINITY G3R (Rack)

DEFINITY Communications System Generic 2 (Formerly, System 85)

DEFINITY Communications System Generic 3 (Formerly System 75)

DIMENSION (Previously made by AT&T)

- G3MCC (Multi-Carrier

Cabinet)

- HORIZON (Previously made by AT&T)

MERLIN ("Classic", Originally made by AT&T)

MERLIN PLUS ("Classic", Originally made by AT&T)

- MERLIN II

("Classic", Originally made by AT&T)

- MERLIN LEGEND

MERLIN MAGIX, Integrated Communications System

- PARTNER

PARTNER II

- PARTNER PLUS
- S8700
- SPIRIT

System 25 (Previously made by AT&T)

- System 75 (Previously

made by AT&T)

- System 75 XE (Previously made by AT&T)

System 85 (Previously made by AT&T)

== GPO/[[PO

Telecom|PO]]/
British Telecommunications==

IAX5 Island

Automatic eXchange No 5

UAX5
UAX6
UAX7

UAX8

UAX9
UAX10
UAX11
UAX12

UAX13

UAX14
UXE7
UXE8
TXE1

TXE2

TXE3
TXE4
TXE4A

TXE4E

TXE5
TXE6
[[System X

(telephony)|System X]]

System Y (Ericsson AXE)

C-DOT

AN

RAX^[2]

MAX^[3]

RAX^[4]

TAX^[5]

CopperCom

CSX 1100

CSX 2100

DGT

DGT3450

DIAX

Dikon ISDN

switch^[9]

==DSC

Communications Corp.==

DSC merged with Alcatel-Lucent

DEX 200

DEX 400
DEX 600
DEX 600E
DEX

600SC

==[[Electronics and Telecommunications Research Institute]] (Korea)== The TDX switch was a joint project with Korea Telecom and four manufacturers, LG Electronics, Samsung Telecommunications, Daewoo Telecom and Hanwha Telecom.^[10]

TDX-1^[11]^[12]

TDX-10^[13]

TDX-100

^[14]

GEC

later became Marconi (Britain)

SE50 (4000-type in GPO naming)

Inventel

ACT6000^[27]

it:Italtel

CT1

CT2
CIMA
UT10
UT20
TN16

UT100

iMSS (Italtel Multi Service Solution), a.k.a. i-SSW

==[[ITT

Corporation]] (Includes ITT-Kellogg)==

1210 (originally North

Electric DSS)

1240
TCS5
TCS2
TE500A

TE400H

TE400
Kellex
7J
7X2
7X3

7XB

A1
A1-SPC
CRX
CSX
K60

(ITT-Kellogg)

K7 (ITT-Kellogg)
K1040
PC32B

Relaymatic (ITT-Kellogg)

TCS5
TRS4
AN/TTC-22

100 Line Automatic/Manual Military Tactical Switch (retired)

===ITT

(Europe)===

7A, 7A1, 7A2, 7E ( Rotary 'machine

switching' system)

7D ( Rotary, for

smaller/rural areas)

Pentaconta (crossbar)
Metaconta

(SPC electronic)

JS Telecom

(Later Bosch Telecom)

JISCOS

8005^[29]

JISCOS

8007^[30]

Leich

All Relay

CS100
CS200
CX 2
CX 6

CX 90

LXP-3
LXP-4

LG Electronics

STAREX-TX1^[32]

STAREX-VK^[33]

(VKX Ltd, Vietnam)

== Marconi (was GEC)==

[[System X

(telephony)|System X]]

Motorola

These

are 
Mobile Telephone Switching Office Cellular switches

EMX2500

EMX4
EMX5000

==[[NEC Corporation|NEC]]==

C410
C460
NC10
NC23

NC23SE

NC230
NC460
NA820
NCA20

NCX23

ND10A
ND10B
ND20A
ND20B

ND20S

NEAX-61 (K, L, M & S)
NEAX-61E

NEAX-61E Remote

NESXS (Nippon Electric step-by-step based on

license from Western Electric)

M100
NEAX31 (Discrete

Electronic CPU, 4-stage Crossbar switching fabric, PBX)

NEAX22

(Analog / Digital hybrid PBX)

NEAX2400 (Fully Digital PBX)

Nokia

DX 200

- DX 220
- DX 220 Compact

==North

Electric (Galion, Ohio)==

CX (CX evolved from the "Automanual"

system designed by Edward Clements "Clement eXchange")

- CX30 (30

line)

- CX60 (60 line)
- CX100 (100 line)
- CX200

("broadspan" up to 200 lines)

- CX1000 (large CX expandable to

10,000 lines)

DSS1 (North's first digital switch for local

exchanges)

DSS2
ETS4 (Large #4A-ETS class toll switch

based on Ericsson "code switch")

NTS4E (4-wire toll switch with

Xbar switches and "Omni" processors)

NX1 (Family NX1A, B, C

& D; All based on Ericsson By-Path Crossbar license)

- NX1D

(Final production version)

- NX1E (NX-1D with OMNI Processor for

trunk and number-group translation services)

NX2 (Family Small

90–1800 line CDO Xbar)

- NX2 (Original design)
- NX2A

(Improved cabinets)

- UN2 (United Telecom version of NX-2A)

Switcher (NX-2A in a trailer for portable/emergency use)

- - TSW

TSW2

- - TSW3
AN/TTC-20 568 Line Military Fixed Switch

(Used by US Air Force - only one was known in existence at Sembach AB, Germany) (retired)

AN/TTC-30 568 Line Military Tactical Mobile

Switch (Used by US Army and Air Force) (retired)

==[[Nortel Networks|Nortel]]==

[[Nortel Application Server

5300|Application Server 5300 (AS5300)]]

[[Nortel Business

Communications Manager|Business Communications Manager (BCM)]]

BCM50

- BCM200
- BCM400
- BCM450
[[Nortel

Communication Servers|Communication Servers (CS Systems)]]

CS1000 (22,500 lines 3200 trunks TDM and VoIP)

- CS1500 (48,000

lines 8,400 trunks TDM and VoIP)

- CS2000 Compact

CS2000 (180,000 lines 200,000 trunks TDM and VoIP)

- [[Nortel

Communication Server 2100|CS2100]] (230,000 ports, 125,000 IP phones, 150,000 analog telephones, 125,000 digital telephones, 200,000 IP trunks, 50,025 digital trunks, 32,000 analog trunks, 200,000 SS7 trunks,

4,093 H.323 gateways, 112,000 nodes per host, 99,999 ACD agents)

Digital Multiplex System (DMS)

DMS-10 Carrier Class Switching System (320 ISDN PRI links or more than 20,000 lines) (First "production" class 5 digital switch installed in public telephone network{fact})

- DMS-10 RLCM (640 line remote)

DMS-10 RSLE (520 line remote)

- DMS-10 RSLM (640 line remote)

DMS-10S (super small DMS-10 for very small exchanges, less than 640

lines)

- DMS-10M (prepackaged DMS-10, a Community Dial Office in a

"box")

DMS-100 FAMILY of Digital

Exchanges

- DMS-100 (large local digital Class 5) (also

previously known as an SL-100 when used for Centrex service)[[Image:Nortel DMS100 public voice exchange.jpg|thumb|right|250px|A Nortel DMS-100e used by an operator to offer local and long distance services in France]]

DMS-100/200 (local/toll digital more than 135,000 lines)

DMS-200 (toll digital)

- DMS-250 (Equal Access Carrier

Switch-digital)

- DMS-300 (International Gateway Switch-digital)

DMS-300/250 (combination Carrier/International Gateway 70,000 to

100,000 trunks)

- DMS-500 (Local/Toll + CLEC Switch)

DMS-Global Services Platform

- DMS-MTX (Cellular MTSO)

Stored Program (SP) (Electronic Stored Program Control using mini-bar switches)

- SP1 2-Wire (Local)
- SP1 4-Wire

(Toll)

- SP1E (used NT40 processor)
NE-1ESS (Northern

Electric version of Western Electric) #1ESS {licensee} ^{[
citation needed]})

NE-4A (Northern Electric version of

Western Electric) 4A toll {licensee} ^{[
citation needed]})

NE-5XB (Northern Electric version of Western Electric) #5Xbar

{licensee} ^{[
citation needed]})

SA1 (Small

Northern designed crossbar CDO)

SA2 (Small Northern designed

crossbar CDO)

SF1 (Small Northern designed crossbar CDO)

==Nortel

Netaş (Turkey)==

Elif

I^[34]

Elif I

I^[35]

DRX-4^[36]

==[[Nippon

Telegraph and Telephone|NTT]]==

D60^[37]

D70^[38]

==[[Oki

Electric Industry|Oki]]==

D10

^[39]

D60

^[40]

D70

^[41]

KB270^[42]

Philips

UR

UR NB
UR49
URVB
UV
[[PRX

(telephony)|PRX]]/A

PRX/D

==Pupin Telecom==

DKTS

20^[43]

DKTS

30^[44]

==REDCOM

Labs==

TRANSip
SLICE
HDX
IGX-A

IGX-MT

IGX-N
MDX 10K
MDX 384 modular exchange

"stackable" to 384 lines/trunks

==[[Samsung Telecommunications]]==

S-1240^[45]

SDX-100^[46]

SDX-200^[47]

SDX-RB^[48]

==[[Siemens

AG|Siemens]]==

No. 16 Step-by-Step
No. 17 Step-by-Step

No. 51 Step-by-Step

EDX-P
EMD55
EMD56

EMD57

ESK - CP24
ESK - CP44
ESK - CP44A

ESK 10000 E^[49]

EWSD

- Remote Switch Unit RSU-DE3
- Remote Switch

Unit RSU-DE4

- Remote Switch Unit RSU-DE5
RCUB-800C

DCO-CS (Formerly Stromberg Carlson DCO)

HiQ8000
SPX2000

(Formerly Equitel)

Sonus

GSX9000

GSX4000

PSX6000
EMS 12000
Topcom 601

Topcom 200

Hicom 300

Stromberg-Carlson

DCO 21

DCO 80
DCO 200
DCO 360
Century

DCO6000

- DCO Remote Line Switch 1000 (RLS 1000)
- DCO

Remote Line Switch 4000 (RLS 4000)

- RLS 450
DCO-SE

DTM

ESC-1 "Crossreed" electronic exchange

ESC-3

MS30
SC#5 ( #5 Crossbar licensed

from Northern Electric (Canada) for US sales/distribution)

Motorswitch - Siemens (Germany)

XY (Stromberg version of

Ericsson "flat motion" switch operated in horizontal planes)

The

DCO family starts as generic DCO

DCO
- DCO-E (Line

Switch 10,000 lines)

- DCO-SE (Line Switch 10,000 lines, software

enhanced, class features, centrex, etc.)

- - DCO-RLS (Remote Line

Switch, controlled by hosts above)

- - - RLS 1000 (Pedestal mount

cabinet 1000 lines in a subdivision - required multiple T-1's to host)

RLS 4000 (Same thing, but 4000 lines)

- - - RLS (This has the

ability in a host outage to make intra-cabinet calls)

- - - The

line switches will also talk to AT&T SLC-96 pedestals - 96 lines on a

ped

- DCO-CS (Long distance, very limited lines - 1+ trunking to

long distance all T-1 cards)

Note: DCO systems are now supported by GENBAND

Tadiran Telecom

Coral

FlexiCom 200 (formerly Coral SL, discontinued)

Coral FlexiCom

300 (formerly Coral I, discontinued)

Coral FlexiCom 400

(formerly Coral II)

Coral FlexiCom 5000 (formerly Coral III)

Coral FlexiCom 6000 (formerly Coral III)

Coral IPx Office

Coral IPx 500

Coral IPx 800
Coral IPx 3000

Coral IPx 4000

Coral ICE

Telrad

TMX-10^[50]

TMX-100^[51]

Tesla

===[[Stepping

switch|Step-by-Step]]===

P51

===[[Crossbar switch]]===

PK 201
PK 202

Tekelec

Tekelec 9000 Distributed Switching Solution (formerly SanteraOne)

Tekelec 7000 Class 5 Packet Switch (formerly Taqua Open Compact

Exchange)

Tropico

Tropico C (Subscriber Line

Digital Concentrator)^[52]

Tropico R (Small Capacity Local/Tandem

Exchange)^[53]

Tropico RA (Local/Transit

Exchange)^[54]

==[[:de:Rundfunk-

und Fernmelde-Technik#VEB Kombinat Nachrichtenelektronik|VEB Kombinat

Nachrichtenelektronik]]==

DVZ

2000^[55]

ENSAD^[56]

Vidar

IMA2

ITS 4

ITS 4/5
ITS 5

== Western Electric / AT&T Technologies / Lucent== ===[[Stepping switch|Step-by-Step]] / Strowger===

No. 1

No. 350A

No. 355A CDO (Community Dial Office)
No. 356A

No. 360A

Panel

Local Panel

Panel Tandem

- Battery cut-off (BCO)
- Ground cut-off

(GCO)

Crossbar switch

Crossbar Tandem

No. 1 Crossbar

No. 3 Crossbar
- No. 3

Crossbar 2-Wire

- No. 3 Crossbar 4-Wire
No. 4 Crossbar

No. 4A/CTS Crossbar (Card Translator System)

- No. 4A/ETS

Crossbar (Electronic Translator System)

- No. 4M Crossbar

No. 4M ETS Crossbar

No. 5 Crossbar
- No. 5

Crossbar 2-Wire

- No. 5 Crossbar 4-Wire
- No. 5 ETS

Crossbar

- No. 5A Crossbar

===[[Electronic Switching System]] SPC===

ESS (Experimental system installed in [[Morris,

Illinois]]. In operation November 1960–?. This switch was never given a

name other than "Morris ESS".)

No. 101 ESS
[[1ESS

switch|No. 1 ESS (1ESS)]]

- No. 1 ESS 2-Wire
- No. 1 ESS

4-Wire

No. 1A ESS
No. 2 ESS ( 2ESS)
- No. 2A

ESS

- No. 2B ESS
- No. 2C ESS
No. 3 ESS (3ESS)

===[[Electronic

Switching System]] TDM===

No. 4 ESS ( 4ESS)

No. 5 ESS (
5ESS)

- No. 5 ESS CDX (Compact

Digital Exchange)

- No. 5 ESS-2000 VCDX (Very Compact Digital

Exchange)

- No. 5 ESS-2000 VCDX Remote
- No. 5A RMS

(Remote Switching Module)

- No. 5B RMS (Remote Switching Module)

No. 5E XC (Extended Capabilities)

No. 7 R/E

(Revolutionary/Evolutionary)

No. 10A Remote Switching System

(10A RSS)

Other digital switches

BZ5000^[57]

(formerly Batik Elcom 4KT from Batik/Zetax,

Brazil)^[58]

CSD

iGen

^[59]

PacketStar PSAX1000/1250/2300/4500

Plexus/Lucent Gateway

Platform/Lucent Compact Switch (formerly Telica Plexus 9000)

Zetax ZTX610^[60]

ZTE

ZX500^[61]

ZXJ10^[62]

ZXJ2000^[63]

==Experimental

and canceled switches==

Lynch

LCS^[64]

Mitel

CX5000^[65]

Collins Radio Corp.

DTS^[66]

References

Country	Manufacturer	Model	Space/Time
DDR	VEB Kombinat Nachrichtenelektronik	DVZ 2000	Time
DDR	VEB Kombinat Nachrichtenelektronik	ENSAD	Space
Finland	Nokia	DX200	Time
Denmark	Dikon	CE	Time
Brazil	Tropico

[1] ttp://www.allbusiness.com/media-telecommunications/7224681-1.html

[2] ttp://cdot.com/solution_products/circuit_switch.htm

[3] ttp://cdot.com/solution_products/circuit_switch.htm

[4] ttp://cdot.com/solution_products/circuit_switch.htm

[5] ttp://www.tec.gov.in/grs.html

[6] ttp://books.google.com/books?id=iPld_RuH5ngC&pg=PT201&lpg=PT201&dq=datang+sp30

[7] ttp://shenzhen.datang.com/products/SP30CN.htm

[8] ttp://books.google.com/books?id=mSkCdk1oeQQC&pg=PT271&lpg=PT271

[9] ttp://www.jhellerstein.com/execnarr.html

[10] ttp://www.ecdc.net.cn/events/innovative01/innov01_06.htm

[11] ttp://www.samsung.com/global/business/telecomm/aboutus/AboutUs_BusinessOverview.html

[12] ttp://books.google.com/books?id=mSkCdk1oeQQC&pg=PT271&lpg=PT271

[13] ttp://books.google.com/books?id=mSkCdk1oeQQC&pg=PT271&lpg=PT271

[14] ttp://books.google.com/books?id=mSkCdk1oeQQC&pg=PT271&lpg=PT271

[15] ttp://www.fcc.gov/Bureaus/Common_Carrier/Public_Notices/Part68_Actions/1998/12aug98r.txt

[16] ttp://www.fcc.gov/Bureaus/Common_Carrier/Public_Notices/Part68_Actions/1998/12aug98r.txt

[17] ttp://www.ctiforum.com/factory/f05_06/www.orientel.com.cn/orientel05_0601.htm

[18] ttp://www.paco.net/~ocvef/exs/excel_reklama.htm

[19] ttp://www.ctiforum.com/factory/f05_06/www.orientel.com.cn/orientel05_0601.htm

[20] ttp://www.ctiforum.com/factory/f05_06/www.orientel.com.cn/orientel05_0601.htm

[21] ttp://www.fcc.gov/Bureaus/Common_Carrier/Public_Notices/Part68_Actions/1998/12aug98r.txt

[22] ttp://web.archive.org/web/20050210193919/gdt.com.cn/en/product/index.php

[23] ttp://books.google.com/books?id=07NmhqkOqwsC&pg=PA427&lpg=PA427

[24] ttp://www.huawei.com/support/pages/training/trainingProjectTree.do?actionFlag=view&projectId=TP0000001609&colID=ROOTENWEB%7CCO0000002854%7CCO0000002860&node=38&typeId=38

[25] ttp://web.archive.org/web/19970805140729/www.hei.co.kr/productE/hdcx/hdcx.html

[26] ttp://books.google.com/books?id=mSkCdk1oeQQC&pg=PT271&lpg=PT271

[27] ttp://www.itu.int/TELECOM/wt95/pressdocs/aw2c-e.html

[28] ttp://www.iskratel.com/EN/CONTROL/PRODUCTS/TDM_TO_NGN_PRODUCTS/SI2000_TDM/default.aspx

[29] ttp://www-wds.worldbank.org/external/default/WDSContentServer/WDSP/IB/2007/09/27/000011823_20070927130428/Rendered/PDF/E4070v40Rapport0Final.pdf

[30] ttp://www-wds.worldbank.org/external/default/WDSContentServer/WDSP/IB/2007/09/27/000011823_20070927130428/Rendered/PDF/E4070v40Rapport0Final.pdf

[31] ttp://books.google.com/books?id=07NmhqkOqwsC&pg=PA426&lpg=PA426

[32] ttp://www.lge.com/products/communication/wireline/switch.jsp

[33] ttp://www.lge.com/products/communication/wireline/switch.jsp

[34] ttp://www.nortel.com/corporate/global/emea/turkey/arge_history_en.html

[35] ttp://www.nortel.com/corporate/global/emea/turkey/arge_history_en.html

[36] ttp://www.nortel.com/corporate/global/emea/turkey/arge_history_en.html

[37] ttp://books.google.com/books?id=07NmhqkOqwsC&pg=PA426&lpg=PA426

[38] ttp://books.google.com/books?id=07NmhqkOqwsC&pg=PA426&lpg=PA426

[39] ttp://www.oki.com/en/profile/history/his_4.html

[40] ttp://www.oki.com/jp/profile/history/his_4.html

[41] ttp://www.oki.com/en/profile/history/his_5.html

[42] ttp://books.google.com/books?id=07NmhqkOqwsC&pg=PA427&lpg=PA427

[43] ttp://www.dkts.co.rs/engleski/HTML/dkts20.html

[44] ttp://www.dkts.co.rs/engleski/HTML/dkts30.html

[45] ttp://books.google.com/books?id=mSkCdk1oeQQC&pg=PT271&lpg=PT271

[46] ttp://www.cbronline.com/news/samsung_braves_war_damage_to_install_sdx_100_in_dagestan?print=1

[47] ttp://books.google.com/books?id=mSkCdk1oeQQC&pg=PT271&lpg=PT271

[48] ttp://www.st-samsung.com/sdx-rb.html

[49] ttp://books.google.com/books?id=SnjGRDVIUL4C&pg=PA492&lpg=PA492

[50] ttp://ieeexplore.ieee.org/iel2/302/3972/00151177.pdf

[51] ttp://ieeexplore.ieee.org/iel2/302/3972/00151177.pdf

[52] ttp://ieeexplore.ieee.org/iel2/843/4471/00176952.pdf

[53] ttp://ieeexplore.ieee.org/iel2/843/4471/00176952.pdf

[54] ttp://ieeexplore.ieee.org/iel2/843/4471/00176952.pdf

[55] ttp://books.google.com/books?id=07NmhqkOqwsC&dq=VEB+Kombinat+Nachrichtenelektronik 100 Years of Telephone Switching 2: Electronics, Computers, and Telephone Switching

[56] ttp://books.google.com/books?id=07NmhqkOqwsC&dq=VEB+Kombinat+Nachrichtenelektronik 100 Years of Telephone Switching 2: Electronics, Computers, and Telephone Switching

[57] ttp://www.alcatel-lucent.com/wps/portal/products/detail?LMSG_CABINET=Solution_Product_Catalog&LMSG_CONTENT_FILE=Products/Product_Detail_000019.xml&LMSG_PARENT=

[58] ttp://www.unctad.org/en/docs/iteipcmisc20051_en.pdf

[59] ttp://connectedplanetonline.com/optical/print/telecom_lucent_stakes_nextgen/

[60] ttp://www.phsmou.org/newsletter/issue13/phs13-7.php

[61] ttp://ieeexplore.ieee.org/iel5/9191/29142/01314320.pdf?arnumber=1314320

[62] ttp://web.archive.org/web/20020823172856/www.zte.com.cn/english/Example_upload/Content.asp?appid=80

[63] ttp://ieeexplore.ieee.org/iel5/9191/29142/01314320.pdf?arnumber=1314320

[64] ttp://books.google.com/books?id=07NmhqkOqwsC&pg=PA347&dq=lynch+lcs

[65] ttp://books.google.com/books?id=07NmhqkOqwsC&pg=PA347&dq=mitel+cx5000

[66] ttp://books.google.com/books?id=07NmhqkOqwsC&pg=PA348&dq=collins+dts

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AGCS

CopperCom

DIAX

GEC

Inventel

JS Telecom

Leich

Telrad

Tesla

Tropico

Other digital switches

References

AGCS

CopperCom

DIAX

GEC

Inventel

JS Telecom

Leich

Telrad

Tesla

Tropico

Other digital switches

References

Videos

Websites

Encyclopedia

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