Mumbai MTNL : At a Glance

MUMBAI - ABOUT US
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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.

1896 Introduction of phonogram at Bombay

1906-1910 Underground cables introduced.

24.05.1924 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 .
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.

1975 First PCM system between city & Andheri 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 .

1991 I-net system commissioned.

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 repair service introduced.

1996-97 ISDN services introduced commercially. Autocom service introduced.

1997-98 Waiting list for new connection brought to NIL. Total of 213475 connections added to the system.

1998-99 IN( Intellegent Network ) service introduced. Internet service commenced and MTNL became an ISP.

1999-2000 MTNL Mumbai crossed the 2 million mark in subscriber base. MTNL became 100% electronic.

2000-2001 MTNL Launched its GSM Service under the Brand Name "Dolphin" on 27th February, 2001.

2001-2002 MTNL got listed at New York Stock Exchange on 06/11/2001, One more connection that brings more transparency in its operation.

2002-2003 TRAI adjudged MTNL as "Best Telecom Service Provider".
Prepaid Service under the Brand Name of Trump has been launched simultaneously in Mumbai & Delhi on 14/01/2002.

2003-2004 MTNL becomes No.1 in Internet Service Provider in Delhi and Mumbai.


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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.
1896	Introduction of phonogram at Bombay
1906-1910	Underground cables introduced.
24.05.1924	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 . 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.
1975	First PCM system between city & Andheri 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 .
1991	I-net system commissioned.
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 repair service introduced.
1996-97	ISDN services introduced commercially. Autocom service introduced.
1997-98	Waiting list for new connection brought to NIL. Total of 213475 connections added to the system.
1998-99	IN( Intellegent Network ) service introduced. Internet service commenced and MTNL became an ISP.
1999-2000	MTNL Mumbai crossed the 2 million mark in subscriber base. MTNL became 100% electronic.
2000-2001	MTNL Launched its GSM Service under the Brand Name "Dolphin" on 27th February, 2001.
2001-2002	MTNL got listed at New York Stock Exchange on 06/11/2001, One more connection that brings more transparency in its operation.
2002-2003	TRAI adjudged MTNL as "Best Telecom Service Provider". Prepaid Service under the Brand Name of Trump has been launched simultaneously in Mumbai & Delhi on 14/01/2002.
2003-2004	MTNL becomes No.1 in Internet Service Provider in Delhi and Mumbai.