Select Channel MTNL Home MTNL Corporate Info MTNL Delhi Home MTNL Mumbai Home Tourism in Mumbai What's New Download Forms MUMBAI - ABOUT US
	Links Achievements Organization Setup Network Telephone Network Map In Case of Difficulties or Suggestions to this site : Email: helpdesk.mumbai@mtnl.net.in

                                                                                                                                                                                       

                                                                                                           

Landmarks in the Growth of the System

YEAR	DETAILS
28.01.1882	First Telephone exchange in Mumbai using Law's call wire equipment commissioned by Mumbai Telephone company at fort
1892-1893	All Exchanges converted into Magneto Exchanges.
1906-1910	Underground cables introduced.
14.05.1924	Auto Exchanges opened for the first time in India.
1932	Automatic time announcing machine with disc records installed.
1941	Charging by meter introduced .
April , 1943	Bombay Telephone Company is taken by Government with 21000 lines.
1950-55	Steps by step strowger exchanges commissioned.
1956-60	Central Disk tape recorder type announcement introduced.
1966-70	Penta Conta cross Bar Exchange installed for the first time in Mumbai.
1971-75	One Max -2 exchange commissioned with STD to Mumbai on 6.9.1975 at vashi, Navi Mumbai . Vashi demand trunk service introduced. Demand trunk to BG, CA and BRD introduced . STD to Delhi officially introduced. Telephone accounting computerised . Telephone directory (English) compiled for the first time. Time announcement (175) in Marathi & Hindi introduced . STD to madras, Nagpur & Gandhi Nagar introduced. Demank trunk at home street & prabhadevi commissioned. INTELEX commissioned.
1976-78	STD to various stations, ISD to London introduced.
1978-79	C-400 Hitachi Crossbar Commissioned on 26.5.78 at Malabar Hill
1983-84	SPC analog exchange commissioned at Cooperage.
1985-86	E10B exchange commissioned at Worli- 3 South Colaba , Walada -2 , Central & Ghatkopar -2 . Navi Mumbai Telecom District formed on 1.4.85 ISD to USA and some of other European countries introduced. Panvel, Taloja, Nhava & Uran taken over from Maharashtra Circle.
1986-87	Formation of MTNL on 1.4. 86
1987-88	Large scale introduction of Push Button instruments.
1988-89	Phone Plus services introduced for subscriber numbers connected with Electronic exchanges .
1992-93	Fetex -150 commissioned at Fountain -3 and Thane RLC-1 Voice Mail service commissioned at Prabhadevi. Radio paging commissioned at Prabhadevi 197 special services made non- metered .
1993-94	First OCB switch in the network introduced at Kandivali.
1994-95	First EWSD exchanges introduced in network at Vileparle and Borivali.
1995-96	Usage of automatic number announcement services introduced. Interactive fault response system introduced. Internet services introduced.
1996-97	ISDN services introduced commercially. Single Window concept using Customer Service Management System introduced.
1997-98	Waiting list for new connection brought to NIL. All exchanges became Electronic by phasing out of Electromechanically Exchanges. Total of 213475 connections added to the system.
1999-2000	Mumbai Telephone System became fully Digital by phasing out of all Analog Electronic exchanges.
2000-2001	GSM Cellular Mobile services by Brand name “DOLPHIN” Post paid and CDMA WLL limited Mobile services IS 95 by Brand name “ GARUDA” Launched.
2001-2002	GSM Cellular Mobile Pre- Paid service by Brand name “ TRUMP” launched.
2004-05	High Speed Broad Band Internet service Launched.
2005-06	CDMA 2000-1X New exchange was installed and prepaid Garuda Mobile services launched. Games on demand and IPTV service on broad band launched.
2006-07	VOIP service launched.
2008-09	NGN switches and 3G Technology in GSM mobile services introduced.
2008-09	VDSL(Very high speed digital subscriber line)service launched.
2010-11	CBCRM in GSM system on 27.09.2010.

Site last updated on 24.11.2010