Internet

Integrated Services Digital Network (ISDN) ISDN service is the real alternative to the allocated channels of the data transfer (at the speed of 64-128 Kbit/s) and provide the access to the following kinds of connection: transfer of speech (service of traditional phone connection); transfer of data at the speed of 68 - 128 Kbit/s; fax connection; video-conference connection; access to the Internet at the high speed of 68 - 128 Kbit/s. Advantages of application of ISDN lines: completely digital lines through the whole connection; speed of the transfer from 68 Kbit/s and upper; speed of connection is 1-2 s; support of almost all network protocols of data transferring; work in multimedia regime; enlargement of a range of functions of the traditional phone connection; flexible technological solutions for the organization of the "last mile"; usage of phone principal of tariffication in the sphere of data transfer - only the time of connection is paid; integration with analogous phone connection. ADSL (Asymmetric Digital Subscriber Line) ADSL belongs to the category of wide-line technologies. It provides the speed of transfer in direction the subscriber as to 8 Mbit/s, from the subscriber as to 1 Mbit/s. The high speed allows to work comfortably with Web-sites, fastly download big files and documents, work with multimedia, and use the interactive apllications at full power. Why should choose ADSL? Constant connection. The main difference of ADSL from the access to Internet by the way of dialing to provider (commutated access) is that your computer is connected to the Internet constantly. Therefore, if you need to check the mail box or look up at the site, you don't need to make your line busy and perform the long process of dialing. Free phone line. Using ADSL, your phone is always free. You can work in Intetnet and talk by the phone, respond to the calls, receive and send faxes at the same time. High quality of connection. In comparison with the systems of sputnik and wireless connection ADSL provides higher quality of connection, which is close to the quality of optical lines. Easy connection. In comparison with the wire allocated channels you don't nees to use free copper couple for ADSL. If you have the hone line of DUCAT, you can easily switch to ADSL! Connected to ADSL, you will get: high quality of connection; guaranteed speed; 1 free-base constant IP-address; 1 free-base e-mail; ability to open the web-site to 5 Mb.   Allocated channels. To get the access by the allocated channel, you need the separate copper couple, modem and router. The speed can vary as 64 kb/s, 128 kb/s, 256 kb/s, 512 kb/s depending to the distance, used for the equipment and given opportunities of provider. It is more expensive, but more high-speed and high-quality access to the Internet. Among with the organization of wire allocated channels, DUCAT offers different systems of wireless access, which have the wide reach zone and allow to subscribers to connect at the shortest time in those parts of city, which are far away from the center. Digital channels provide the stable transfer of the signal with the high quality, and also have the unique system of coding, avoiding non-sanctional access and providing protection of information transfered. DUCAT Community DUCAT Community is the special program of DUCAT, which allows to connect to the Internet network by the high-speed allocated channel in business-centers. The company-client doesn't need to use the big and knowlegeable technological staff, easy and convenient connection of DUCAT community (Ethernet) allows to organize easy and simple in use service. Competitive tariffs of DUCAT Community allow to the small companies and individual enterpreneurs to use all the profits of the day long access to the Internet network among with the big corporations and business-structures. Commuted access (dial-up). Every subscriber of the phone network of DUCAT have opportunity of commuted access to the Internet access by modem in regime "dial-up", established on the line. It is necessary only to dial 500888, "arna" pathwod, "arna" user name. The payment is done only for time used in Internet. No service payments, or counting the traffic. Besides it, you don't need to make an advanced payment - the payment for hours, really spent in the network, will be included in the monthly invoice of DUCAT. This kind of service is ideally to be in application for those clients, who don't need to connect to Internet all day long and transfer big volumes of information, since the easy connection and cheap payment.