BSNL Broadband
What is BSNL Broadband Service?
Broadband refers to a connection that has capacity to 
transmit large amount of data at high speed. Presently a connection having 
download speeds of 256 kbps or more is classified as broadband. When connected 
to the Internet such a connection allows surfing or downloading much faster than 
a dial-up or any other narrowband connections. BSNL 
offers 2 Mbps minimum download speed for its Broadband connections.
ADSL stands for Asymmetric Digital Subscriber Line. It 
is a technology that allows copper telephone pairs to be used to provide a 
broadband connection. It provides ‘always-on’ Internet connection that is 
automatically established once the PC and ADSL modem are switched on.
Always-on means that the ADSL broadband sets up a 
permanent connection to the internet that lets you access the internet as soon 
as you switch on the computer and the modem. You do not need to dial up like 
when you are using a standard modem connection. There will be no call charges 
for Internet access but voice calls will be charged as before.
If you are using a 2 Mbps broadband connection then you 
will be having a download speed which is 35 times faster than that of normal 
dial-up connection, about 16 times faster than that of ISDN connection and about 
16 times faster than that of DIAS connection.
o Fast downloads o Upto 140 times faster than dial-up 
connection o Always on connection o Telephone and Internet access can be used 
together o No telephone call charges o Cost effective way to access Internet o A 
host of free content on the web can be downloaded faster
Both of these connections offer high speed Internet 
access respectively for home and office environment. In BSNL Broadband for business connecting more than one computer 
may be allowed along with other features like extra email addresses, domain 
name, web hosting space , static IP (Select Plans only) etc.
No. ADSL can run on your existing basic phone (Bfone) 
line. If you do not have a Bfone connection then you need to get one from BSNL before you can ask for an ADSL broadband connection.
Yes. ADSL uses a different set of frequencies and does 
not interfere with telephone conversation. Conversely, making a phone call while 
accessing the Internet does not affect the speed of the ADSL connection.
Fill up a registration form and deposit at BSNL customer centers. These forms are available on the BSNL web-site, from customer service centers and franchisees. 
You can also register online at BSNL website by filling 
a simple form. Click here to register online
CPE stands for Customer Premise Equipment. This 
consists of an ADSL modem/router and a stand-alone or a build in splitter to 
separate the telephone and broadband connections. There are three options for 
getting the CPE from BSNL. Option I - Free Modem 
(Available only With selected Plans subject to conditions). Option II - Outright 
Purchase from BSNL. Option III - On Rent. Please click here for details
If at your home/business, the same line is used for 
voice and data then you need to separate out these signals by using a splitter. 
The splitter will have one output for your telephone and one or more for the 
ADSL modem which in turn connects to your computer. This comes along with the 
modem that BSNL provides.
 
My 
friend has ADSL but BSNL in my city says I cannot!
 
What 
is download/upload?
 
Why 
are the download/upload rates different?
 
How do 
I connect to ADSL?
 
How do 
I install ADSL?
 
How 
long does it take to install ?
 
Do I 
need any software for the installation?
 
What 
is an IP address?
 
What 
type of IP addresses are possible ?
 
Why 
would one need a static IP address?
 
Can I 
change from one Broadband data rate to another?
These could be the reasons for this. Your distance from 
the nearest ADSL Central Office equipment(DSLAM) may be beyond the technically 
permissible limit. Visibly the distance of your house/business may look same to 
you as your friend's but it is the actual cable length that counts. Once you 
apply for a BSNL broadband connection, you line will be 
tested and you will be informed whether you home/business is covered. Other 
reason could be that your friend has a BSNL fixed line 
phone and you do not. Click here to view the list of cities having Broadband 
Service.
When the information flows from somewhere e.g. a 
web-page or a site to your PC you are "downloading" on the other hand when you 
send information e.g. request for a web-page, you are "uploading"
ADSL is an asymmetric technology giving different rates 
in “down” and “up” directions. This is perfectly fine since we 
download(browsing, downloading clips, music etc) much more than we upload(a 
website address, a few clicks etc)
To connect to ADSL you need an ADSL modem/router to be 
installed at your home/business. On your PC you should have an Ethernet port 
with RJ45 socket. Some ADSL modems have a USB port and you could connect these 
modems to the USB port of you computer.
Once your connection comes through, an installation pack 
consisting of the CPE and installation guide will be sent to you. If you have 
requested BSNL for installation, a technician will visit 
and complete the installation for you. If you are buying your own Modem you can 
still request for installation on payment of the requisite charges. We will, 
however, only support equipment supplied by us.
Once we receive your order, BSNL 
will do the required line checks and assuming these pass it takes around 5-10 
working days for the service to be enabled by BSNL at 
your local telephone exchange.
No. With your Welcome Pack you get an installation CD 
which includes everything you need to get started. If you choose to use your own 
equipment (e.g. modem or router) then you will need to ensure you have the right 
software.
When you are connect to the Internet, your PC is 
automatically allocated an IP(Internet Protocol) address to identify it to the 
outside world. There are two types of IP addresses, dynamic and static. Dynamic 
IP changes from session to session while static always remains same.
IP addresses could be dynamic (that typically change 
with each session) and static (that are permanently allocated to you). BSNL Broadband provides both dynamic and static IP. However 
the static IP is given only in Business 5000 and Business 9000 plans.
A static IP address may be required for certain 
services or applications you use. These typically include: 1.Running your own 
mailserver (SMTP inbound). 2.Many VPN (virtual private network) implementations 
require one or both sides of the VPN to have a static IP address. 3.If you are 
connecting to your company network and need access through their firewall.
Yes, You can change your BSNL 
Broadband plan at any time.
 
What 
happens if I shift my premises?
 
Do I 
still need to pay the telephone line rental ?
 
How do 
I choose the speed/tariff plan that's right for me?
 
How do 
I pay for Broadband from BSNL?
 
Can 
the helpdesk help solve problems with my own computer/ hardware?
 
Can I 
have more than one broadband connection, for redundancy/up time?
 
Do I 
need any extra equipment when upgrading to a faster speed package?
 
I want 
to connect more than one computer to my Broadband...
Yes, if you choose the right broadband plan, you would be permitted to connect more than one computer. However, all the users will share the bandwidth allocated to you.
 
What 
is contention or a contention ratio?
 
Why do 
you limit the amount of data I can download ?
 
What 
all can I do with 1 GB(Giga Byte) download?
 
 
What 
is a firewall, should I have one?
 
Do 
ADSL services come with a service level agreement ?
 
What 
is NAT (Network Address Translation/Translator)?
 
Can I 
host a web server on an ADSL line ?
 
I have 
ADSL at office, can I also use it at home ?
 
Where 
can I get help about BSNL Broadband service?
 
What 
kind of PC do I need to run ADSL?
 
How do 
I check upload/ downlaod usage? How do I change my password...
Please visit http://www.dataone.in using your BSNL broadband connection and click on the link "Dataone account administration" for further details.
 
I had 
taken Plan 250 BSNL Broadband connection in Sep'2005.For the first two 
months...
In broadband connection it is different from dialup connection. Here frequency doesnot matter as it is always on conncetion. What matters is the size of the pages you visit. If you visit sites which are having small graphics and more text then you are downloading very small amount of data. But if you are visitng sites with large graphics or streaming videos then you are downloading higher amount of data.
 
What 
are the conditions for getting a free modem or changing the type of free 
modem?
 
I am 
on Monthly Rental Scheme for the Modem and decide to opt for outright 
purchase...
ADSL connection is given for a particular BSNL fixed line. If you move, ADSL can be shifted to a BSNL line in the new location subject to availability in that 
area. No shifting charges are required to be paid.
Yes. The ADSL broadband service uses your normal 
analogue exchange line to provide the high speed Internet access, so you still 
need to pay the line rental and any normal calls on that line.
This will depend on the purpose for which you will be 
using the broadband connection. If you are using it from home or a small office, 
choosing a plan that offers a download limit of 1 GB is ideal for general 
surfing and emailing. However, if you are downloading lots of videos or sending 
very large files, it may be better to choose a broadband plan with even higher 
capacity.
Broadband from BSNL is charged 
monthly, via your BSNL bill. You can choose to pay your 
BSNL bill by cash, cheque or bank or credit card.
No. The helpdesk is there to help you with problems 
relating specifically to the Broadband service from BSNL 
and the hardware/software provided by BSNL. If you have 
purchased a product where hardware was not provided as part of the service, the 
helpdesk will not be able to assist you with it, and you should contact your 
hardware supplier.
You can have more than one line, however we cannot 
guarantee service on broadband connections, therefore we do not suggest an 
additional broadband line for redundancy/up-time.
No, you will be able to use the modem/router provided 
with your current Broadband
I want to connect more than one computer to my Broadband line 
to share my internet connection. How do I do this?
Yes, if you choose the right broadband plan, you would be permitted to connect more than one computer. However, all the users will share the bandwidth allocated to you.
To provide a cost effective service - all ADSL services 
are contended (shared). These contention ratios are applied in the backbone and 
international part of the network. A commonly applied contention rate is 50 : 1. 
All customers are guaranteed the plan rate up to the local exchange or the ADSL 
equipment to which they are connected. On the shared part of the network a 50:1 
contention ratio would mean that a 2 Mbps connection would be shared by 49 
others. In reality this is very unlikely to happen and the customer would find 
the connection much faster than dial-up modems. ADSL relies on individual users 
not making unreasonable traffic demands on the network to provide fast access 
speeds for all. If you are not getting the speed you expect, it can be due to 
the contention ratio but also to many other factors including the congestion at 
the remote site you are accessing.
BNSL aims to provide fast, reliable service to all the 
broadband customers. Some customers try to hog disproportionate amount of 
available resources. Customers might select lower end plans for heavy work or 
make excessive use of peer-to-peer file sharing. This could result in 20% users 
using over 80% resources. High levels of usage by a small number of users risks 
reduced performance for all users. BSNL has the 
following options to solve this problem : 1. Lower the contention ratio 2. 
Provide more resources and increase the prices 3. Set download limits The first 
two options are not fair to 80% users who use the resources sensibly. As such 
setting dowonload limits was the best and fair solution. If any user requires 
higher limit he/she can upgrade to higher plan.
One GB is 1024 Megabyte or 1073741824 bytes. You can do 
the following with 1 GB download limit : 1. An average web page is about 50 
kilobytes in size - so you could download around 20,000 web pages for 1 
gigabyte. 2. An hour of surfing the web would be around 10 megabytes (200 pages) 
so you could surf non-stop for about 100 hours for 1 gigabyte. 3. An hour of 
streamed radio would use about 15-20 megabytes. 4. An hour of streamed video 
uses around 100-150 megabytes. 5. Playing an online game typically uses about 
10-15 megabytes per hour. 6. Emails are very small - so 100 emails would be just 
1 megabyte - or 100,000 emails for 1 gigabyte! (of course the attachments count 
extra) 7. A super-high resolution (5-6 megapixel) digital camera JPEG picture or 
typical MP3 music file is about 2-3 megabytes so you could download 350-500 of 
these images/music files for 1 gigabyte. Very few users would actually exceed 
the download limits set.
A firewall is a system designed to prevent unauthorized 
access to or from a private computer/network. It is highly recommended that all 
Internet users (even using standard dialup access ) should have a firewall to 
protect their computer/network. As ADSL broadband service are ?always on? it is 
even more important. Many free firewall softwares like ZoneAlarm, Sygate 
Personal Firewall etc are available on the Web for download.
ADSL broadband services do not come with a SLA (service 
level agreement). However BSNL aims at repairing 80% of 
ADSL circuit faults within working hours. If you require a ‘guaranteed’ 
high-speed connection to the Internet you would probably require a leased line 
instead of ADSL broadband.
NAT stands for Network Address Translation/Network 
Address Translator. Each computer connected to the Internet needs to have a 
unique IP address. To use the global IP addresses more efficiently, computers 
belonging to a business can have “local” addresses. NAT would then allow 
connecting multiple “local” computers to the Internet using one IP address. Each 
NAT has a ‘table’ of local IP addresses and globally unique addresses by which 
the NAT box can translate the local IP addresses to global address and vice 
versa.
A web server can be hosted on an ADSL line with static 
IP addresses for broadband connection. (Static IP addresses are available in 
Business 5000 and Business 9000 plans) Although it is technically possible but 
not recommended specially for important or heavy usage service. ADSL is 
asymmetric service with upstream rates much lower than downstream rates. In the 
business plan upstream rate is 128 kbps and with usual contention ratio, 
performance can be poor if many users try to access the web server. As it is not 
a recommended use, BSNL would not support maintenance 
complaints in such cases.
An ADSL Broadband account is activated on a specific 
telephone line only. If you need to use the broadband connection at a location 
other than where it is installed you need to take another broadband 
connection.
You can call 24 hours helpline number: 1600 424 1600
Most present day configuration PCs will run ADSL. The following minimum 
configuration is, however, recommended: 
 
- Processor 200 MHz (or better)
 - perating System Windows 98SE (or higher)
 - RAM (memory) 32 MB RAM
 - Free Disk Space 125MB
 - SVGA monitor
 - CD-ROM Drive
 - Network Interface Card(NIC) with 10/100 Mbps Ethernet port with RJ45 socket\
 
How do I check upload/ downlaod usage? How do I change my 
password for BSNL Broadband email account?
Please visit http://www.dataone.in using your BSNL broadband connection and click on the link "Dataone account administration" for further details.
I had taken Plan 250 BSNL Broadband 
connection in Sep'2005.For the first two months I got internet bill for 250 
only. But for this month i got a bill to pay Rs 356. And one thing, that month i 
used net very frequently.So, my doubt is eventhough if do not downloaded 
anything i exceeded my limit. What would be the correct reason for this?
In broadband connection it is different from dialup connection. Here frequency doesnot matter as it is always on conncetion. What matters is the size of the pages you visit. If you visit sites which are having small graphics and more text then you are downloading very small amount of data. But if you are visitng sites with large graphics or streaming videos then you are downloading higher amount of data.
For certain plans, the modem shall be given free by 
BSNL subject to some conditions - (For details click 
here). In this case customer will own the modem and does not require to return 
the modem. Any type of modem (Type I/II/III/IV) can be taken under this offer 
after paying the required cost/rent of modem. If a subscriber has initially 
taken Type-I modem under this offer, he can request to change it to higher type 
(Type-II/III/IV) after paying the difference amount of higher modem. After the 
committed period if a subscriber demands another modem then he can choose any of 
these three options: (i) He can get another modem by paying the rent for another 
committed period. or (ii) He can choose rental option for another modem. or 
(iii) He can outright purchase another modem.
I am on Monthly Rental Scheme for the Modem and decide to opt 
for outright purchase of modem, what amount shall be charged from me?
Options 
- If you want to continue with the existing modem, 50% of the amount already paid as monthly rentals can be adjusted in the Sale Price of modem.
 - If you want a new modem, Full amount will be charged as per Prevailing Price for the new Modem and the Old Modem is to be returned in working condition.
 
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