Download - Bsnl ppt-by aswin.ppt
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Training report On Bharat Sanchar Nigam Ltd
ASWINKUMAR.RECE -PRE Final year
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Company Profile
Head Office
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AN Introduction Of Bsnl TypeCommunication Service ProviderAvailabilityCountrywide except Delhi & MumbaiOwnerThe Government of IndiaFounded19th century, incorporated 2000Websitewww.bsnl.in
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Industry Information
Sector Communication
Industry Telecommunications
Financial Highlights
Fiscal Year End: March
Revenue (2009-10): 32,045 Crore (US$7.15 billion)
Employees (2010): 299,840 (March 31, 2009)
Key People Chairman & Managing Director: Rakesh Kumar Upadhyay
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BSNL Services Cellular Service Basic Telephone Services Internet 3G Intelligent Network IPTV VVoIP FTTH Leased Lines Helpdesk
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Exchange• Equipment which effects
interconnections of telephone is known as switching equipments.
• The switching centre, which houses the terminating & switching equipments is known as telephone exchange.
Types of exchanges:
1. E10B (Electronics 10 Binary)2. OCB (Optical cable B)3. 5ESS (5000, Electronic sub-
subscriber)
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Typical exchange consist of following sections:
MOBILE SECTION
MDF
TRANSMISSION SECTION
MICROWAVE
POWER STATION
BROAD BAND
COSTUMER CARE
SECTIONS
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Mobile section
The Basic Transmission Procedure: 1. BSC: Base Station Controller2. BTS: Base Station TRANSCEIVER3. MSC: Mobile Switching Center4. HLR: Home Location Register5. VLR: Visitor Location Register6. AUC: Authentication Center7. EIR: Equipment Identity Register8. SC: Short Message Center9. OMC: Operation and Maintenance Center
This section has two parts: GSM CDMA
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MDF
MDF stands for Main Distribution Frame.
It is divided into two parts :
VDFHDF
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Transmission sectionThis section deals when a caller picks up the receiver, gets the dial tone and how the call is made and processed.
Caller D.P. Pillar
MDFExchange
TAX Exchange MDF
PillarD.P.
Receiver
The call is transmitted from telephone to
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Power station
The main parts of Power station is:
Batteries
UPS (uninterrupted power supply)
Charging –Discharging unit
Inverter – Converter unit
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broadbandAny data access rate more than 2Mbps is considered as broadband access.
Equipment's required in customer premises are •Filter:- The filter separates out the signal for telephone. (Called as Splitter)•Modem:- The modem directs the signal to PC and TV.•Set Top Box (STB)- The STB converts the digital IP based signal to a form compatible with the TV set.•PC and TV
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Customer care
Access round the clock help at following toll free numbers• Dataone Broadband '1800-424-1600'• PSTN Call Center '1500' (in select
states)• Sancharnet Help Desk '1957' • CellOne all India Help '1800 180 1503'
or '1503'
All BSNL Customer Service Centers (CSCs) remains open on all seven days from 8.00 AM to 8.00 PM without any break for all activities.
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