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Sprintbiz.com | Products and Services | IP Services | Internet Access | Dial Internet Access | Details

Dial Internet Access: Details

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The Sprint Remote Access Client is tailor-made for business travelers and telecommuters. A fully customizable, easy-to-use graphical user interface (GUI) enables off-site users to select the closest phone number for access – locally, nationally, or internationally.

The software automatically dials, reducing the need to reconfigure computer dialers when changing locations. In addition, as Sprint's access points continue to expand, this service provides for convenient updating of dial-in numbers.

To download the free Sprint Remote Access Client software, click here.

The Sprint Remote Access client supports:

  • Windows platforms
  • Multiple access types
  • Automatic phonebook and software updates
  • Customization options for user session time-outs
  • Windows customization options for integrated, single-click VPN
  • Windows-based performance reporting

System Requirements – Windows

The minimum operating requirements for the Sprint Remote Access Client on a personal computer are:

  • Windows 98, Windows ME, Windows NT, Windows 2000, or Windows XP operating system
  • 3.0 MB free disk space
  • Pentium 150 Mhz processor minimum, 233 Mhz processor recommended
  • 32MB RAM minimum, 64 MB RAM recommended
  • Microsoft TCP/IP protocol installed
  • Microsoft Dial Up Networking (DUN) version 1.3 or higher installed
  • Modem or ISDN adapter

Modem speeds

The Sprint Dial IP network supports modem speeds from 300-56,000 bps. These speeds are supported according to the following international standards:

Modem Speeds
Standard Speed
V.21 300 bps
V.22 1200 bps
V.22bis 2400 bps
V.32 4800 and 9600 bps
V.32bis 14,400 bps
V.34 28,800 bps
V.90 56,000 bps

Modem-to-modem standards

For best performance, Sprint recommends that your modem support the following modem-to-modem error correction and compression standards:

  • MNP10 provides modem-to-modem error correction and supports data transmission over cellular connections
  • V.42 provides international asynchronous error correction standard ensuring modem-to-modem data integrity
  • V.42bis provides international standard for data compression and specifies techniques to increase the throughput of modems using V.42 or LAPM error control

Connecting domestically via Point-to-Point Protocol (PPP)

1 of 2 domestic dial-up protocols that Sprint supports, PPP is used to connect a computer to a network over a serial link, such as a telephone line. When a host system is connected to the public Internet or the Sprint intranet, a computer can send and receive IP packets just as if it were directly connected to the network. That means that any software on the computer that uses the TCP/IP protocol (i.e., FTP software, web browsers, telnet, etc.) will work properly.

PPP is the newest and most commonly used dial-up protocol. It includes error correction, data compression, and multi-protocol support (such as IP, IPX, and ARAP).

Establishing a PPP connection:

  • Authentication is made through other PAP* (Password Authentication Protocol) or CHAP** (Challenge-Handshake Authentication Protocol)
  • PPP packets handle login, so establishing a connection is quick and seamless
  • Software interprets the logon sequence and gives you messages regarding the status of your connection

Establishing an Async-to-PPP connection:

  • ID/password are manually entered
  • Depending on the software, the logon sequence can be scripted
  • Most software shows you the prompts and commands being sent
  • Asnyc-to-PPP requires an IP stack and dialer

Note: Sprint also supports async-to-telnet.

Asynchronous scripted logins

If you are dialing in asynchronously using async-to-telnet to connect to the Sprint Global Dialer, you may wish to use a script for convenience. Scripts let you avoid typing in the same commands every time you log on, and prevent errors caused by incorrect typing.

For an asynchronous telnet connection, you do not need an IP stack for your computer. Any terminal emulation program (i.e., Procomm, Hyperterminal, etc.) can be used. Telnet is a terminal emulation program. Usually async-to-telnet connections are ASCII text based and generally don't utilize graphics.

*One of the simplest methods of PPP authentication, Sprint Remote Access software sends ID/password pairs to the security server until the pair is authenticated or the connection is terminated. PAP is most appropriately used where a plain text password is needed to simulate a logon at a remote host.]

**To increase authentication security, CHAP uses a variable challenge value. The security server is in control of the frequency and timing of the challenges. CHAP relies on a "secret" or key known only to the security server and the dial user. Instead of sending this secret directly over the link, a randomly generated sequence based on the CHAP key is sent, and a crypto-response based on the key is returned.]