Balasai Net
Authorised agents for VSNL GIAS

ISDN ACCOUNT

DIAL UP ACCESS

ISDN DIAL UP SERVICES

Integrated Services digital Network (ISDN) is a digital telephone system system. ISDN involves the digitization of telephone network so that voice, data, graphics, text, music, video and other source material can be provided to end users from a single end-user terminal over existing telephone wiring.

ISDN BRI (Basic Rate ISDN) delivers two 64 kbps channels called B channels and one at 16kbps (D channel). ISDN offers speed at 64 Kbps and 128 Kbps and is an alternative for those with a need for greater Bandwidth than dial service.

Charges

Registration Charge (One Time) = Rs 100/-

ADDITIONAL SERVICES

Change in Login ID   One time administrative cost = Rs 500/-

Additional Mail Memory Rs 3,00/-  per MB for three years

Additional E-mail ID   Rs 3,00/-  per ID with for three years.

Password Alteration Fee  Rs 100 per instance.

ISDN INTERNET ACCESS CUSTOMER REQUIREMENT:

Typically there are three major components for internet access over ISDN line

• ISDN BRI Line and a network terminal.(NT).
• ISDN customer premises equipment.
• ISDN internet service provider .

ISDN BRI line can be obtained from DOT/MTNL.ISDN customer premises equipment are modem like devices which connect to your PC serial port. ISDN internet access is provided by service provider like VSNL.

ISDN INTERNET ACCESS HARDWARE:

ISDN internet access requires special equipment at customer end . VSNL has tested various customer end ISDN equipments to ensure compatibility with VSNL network.VSNL ISDN internet access is based on CISCO 3600 series products.

ISDN TERMINAL ADAPTOR :

Following terminal adaptor are tested with VSNL network:

• Motorola Bit Surfer.
• Zyxel Omni TA
• Zyxel Elite 28641
• Racal DAP 6200
• Racal Winstream
• Hayes Accura ISDN

INTERNAL ISDN CARDS:

AVM ISDN Controller A1.

1) What is ISDN ?

ISDN (Integerated Services Digital Network) is a digital telephone service that provides fast accurate data transmission over exisiting telephone wiring.

2) Is special cabling required for ISDN ?

No,ISDN line is provided over exisiting copper wires used in standard telephone connection.

3)In the context of ISDN,they keep referring to terms like BRI ,2B+D , PRI etc ? What are they ?

There are two types of connections for ISDN . One is called the Basic Rate ISDN (BRI) or 2B+D in which two 64Kbps channels are available to ISDN subscriber.The other is Primary Rate Interface (PRI) or 30B+D. This is useful mainly for large business etc . At present MTNL/DOT is offering only BRI.

4) Can the ISDN line user call another analog telphone user ?

The ISDN user will have full connectivity,both nationally and internationally ,to other analog telphone users.

5) How is the ISDN line different from existing analog telephone line ?

An ISDN line is a telephone line from a new technology exchange in which user's voice ,data, or images or a combination thereof are sent and received in digital format right from user's premises.An ISDN user can establish two simulateous independent calls on existing pair of wires of the telephone line where as only one call is possible at prsent on the analog line telephone connection.

6) What are its application ?

ISDN offers the quality and speed which was only available to people who bought expensive point to point leased line. The popular usage are :

• higher speed internet access
• backup for leased line
• Videoconferencing
• Telecommuting etc.

7) How fast is ISDN compared to analog modems ?

The speed of transmission using a regular telephone line and standard V.34 modem is generally 28.8 Kbps ,with ISDN line the line speed can go as high as 128 kbps with out compression ..almost 4 times faster !!!

8) What is the benefit to use ISDN line to access Internet?

As internet become more and more information intensive with video graphics, sound and multimedia , your ability to take advantage of these new resources depends on speed of your internet of your internet connection . ISDN internet access offers follwoing additional feature:

• subsecond connection time.
• faster access at 64 kbps or 128 kbps
• more efficient and economical

9) Who gives ISDN connection ?

ISDN line is provided by MTNL/DOT

10) What are the charges I have to pay MTNL/DOT ?

The usage charges for ISDN calls are same as for PSTN subject to minimum charges of Rs 5000/- per month per subscriber. There are additional monthly rental @ Rs 1000 per month and one time installation charges.

11) What do I need to connect to internet using ISDN ?

There are three basic componets required :

• 1) ISDN phone line from MTNL/DOT
• 2) ISDN hardware
• 3) ISDN Internet access provider

12) What type of Computer System do users need ?

Windows users should have following minimum configuration :

• pentium 100 or higher windows based computer.
• Windows 95 or Windows NT
• 16 MB RAM (Extra RAM will really speed up your web browsing on graphically oriented sites )
• 15 MB free hard disk space
• 16550 UART
• Com. port 1 or 2

13) Can one use existing analog modem with ISDN line ?

No , for Internet access over ISDN line user need to have terminal adaptor or ISDN card etc.

14) What type of ISDN equipment should on buy ?

List of VSNL tested ISDN terminal adaptor and card is given in hardware requirement.

15) Where is ISDN internet access available ?

VSNL ISDN internet access is available at present in Mumbai and very soon VSNL wil start the services in Delhi, Chennai, Calcutta ,Pune , banglore .

16) How much does ISDN internet access cost ?

See tariff section for this .

17) Is ISDN internet access for business or consumers ?

ISDN access is primarly for consumers and small to medium size business. How ever many larger business use ISDN internet access for remote access and telecommuting application.

18) Do you support 2-B (128Kbps) connections ?

Yes , you will need to setup your equipment configuration for a 2-B connection.Your ability to use 2-B channel simulataneously is dependent on type of ISDN terminal adapter you have purchased.

19) What is Multilink PPP ?

The Multilink point to point (MPP) bundles multiple B channels for data rates over 64 Kbps .It allows dynamic bandwidth allocation.VSNL support the Multilink PPP protocal.

20) What is dynamic bandwidth allocation ?

Dynamic bandwidth allocation is the ability for a device to drop and add channels as needed. True dynamic bandwidth would allow a terminal adapter to allocate a second channel if the load on the first one becomes too heavy.

21) Why VSNL is offering an ISDN TA solution instead of router solution ?

VSNL will be offering LAN ISDN services soon .

21) Where can one learn more about isdn ?

The following are few of the interesting isdn sites :

• http://www.alumni.caltech.edu/~dank/isdn
• http://www.fiug.com
• http://techweb.cmp.com/nc/isdnquit

Terms & Conditions

BROAD TERMS AND CONDITIONS OF GIAS SUBSCRIPTION

1. VSNL shall update Gateway Internet Access Services (GIAS) without prior intimation to its subscribers.
2. The subscriber is required to use Telecom Engineering Centre (TEC), New Delhi approved Interface Equipment for accessing Gateway Internet Access Services. In case where it is necessary to pay Licence Fee to Department of Telecommunications/MTNL for connecting Modem/other Interface Equipment etc. to PSTN, subscriber is required to complete necessary formalities with local DOT/MTNL office.
3. All Gateway Internet Nodes Madras, New Delhi, Calcutta, Mumbai, Bangalore and Pune are interconnected with high speed links provided by Department of Telecommunications. The International connectivity is provided via satellite from USA to all GIAS Nodes. VSNL would try to maintain these links as reliable as possible. However, it would own no responsibility in case of interruptions in the network beyond its reasonable control.
4. VSNL would try to upgrade Network capacity so as to provide desired speed of connections to the subscribers. However the subscriber understands that he would be able to operate at the desired speed only for 50% of time.
5. The subscriber of Gateway Internet Access Services is not allowed to resale the Internet Services.
6. Value Added Telecom Service providers would require necessary permission/licence from Dy. Director General (CS), Department of Telecommunications, Sanchar Bhavan, 20 Ashoka Road, NEW DELHI - 110 001 (Tel.: 3326255/3032855, Fax : 3327656).
7. The Subscribers of Gateway Internet Access Services would not be allowed to use Gateway Internet Access Services for inter-active Voice or Fax messaging.
8. The subscriber understands that the software supplied by VSNL is copyright protected and copying of the same is liable to attract legal action under Copy Right Act.
9. The subscriber is required to desist from sending unsolicited messaging via Gateway Internet Access Service.
10. The subscriber is required to fully comply the provisions of the Indian Telegraph Act, 1885, and the Indian Telegraph Rules made thereunder and any amendments or replacements made thereto from time to time.
11. The subscriber is required to ensure that objectionable or obscene messages or communications, which are inconsistent with the established laws of the country, are not made by him or any other person using his password.
12. VSNL may revise the tariff for Gateway Internet Access Services from time to time at its discretion.
13. Customer assumes total responsibility and risk for use of the Gateway Internet Access Services. Neither VSNL nor its affiliates make any express or implied warranties, representations or endorsements whatsoever (including without limitation warranties of title or not-infringement, or the implied warranties of merchantability or fitness for a particular purpose) with regard to any merchandise, information or services provided through the Internet, and they shall not be liable for any cost or damage arising either directly or indirectly from any such transaction. It is solely customer's responsibility to evaluate the accuracy, completeness and usefulness of all options, advice, services and other informations, and the quality and merchantability of all merchandise, provided through the service or in the Internet generally.
14. Customer understands further that the Internet contains unedited materials some of which are sexually explicit or may be offensive to some people. Customers access such materials at their own risk. VSNL has no control over and accepts no responsibility whatsoever for such materials.
15. The service is provided on an "AS IS and AVAILABLE" basis without warranties of any kind, either express or implied, including by not limited to warranties of title, non-infringement or implied warranties of merchantability of fitness for a particular purpose. No advice or information given by VSNL, its affiliates or their respective employees shall create a warranty. Neither VSNL nor its affiliates warrants that the service will be interrupted or error free or that any information, software or other material accessible on the service is free viruses, worms, trojan horses or other harmful components.
16. Under no circumstances shall VSNL, its affiliates or its contractors be liable for any direct, indirect, incidental, special, punitive or consequential damages that result in any way from customers, use of or inability to use the service or to access the Internet or any part thereof, or customers reliance on or use of information, services or merchandise provided on or through the service, or that result from mistakes, omissions, interruptions, deletion of files, errors defects, delays in operation, or transmission, or any failure of performance.
17. Payments of bills - It would be the responsibility of subscriber to make advance payment of Gateway Internet Access Services. VSNL would disconnect the service in case of not-receipt of advance payment without giving any notice to the subscriber.
18. Force Majeure - If at anytime, during the continuance of Gateway Internet Access Services, the performance in whole or part, of any obligation under it shall be prevented or delayed by reason of war, hostility, acts of the public enemy, civil commotion, sabotage, fire, flood, explosion, epidemic, quarantine restriction, strikes, lock-out or act of GOD etc., the subscriber shall not have any claim for damages against VSNL in respect of such non-performance or delay in performance of Gateway Internet Access Services.

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