3Com ISDN Modem AT D 1 408 654, ATD14086542703, Press [Enter] or [Return], 4Press [Enter] or [Return], Placing Multilink PPP Calls

Placing ISDN Data Calls 7-3

circuit-switched ISDN modem commands with dial strings are:AT D 1 408 654 2703ATD14086542703For a summary of the AT command set, see Appendix B.

4Press [Enter] or [Return].

After completing its tasks, the 3C882 ISDN modem sends a message to the screen.

An AT command line starts with the characters AT. The command line can accept up to 40 command characters in the line (not including the two AT characters, or spaces) Refer to Chapter 5,“Changing the Parameter Settings” for assistance on AT commands.

Placing Multilink PPP Calls

Before you place a call, ensure that the Multilink PPP box on the 3C882 ISDN modem Configuration dialog box is checked. The destination you are calling must also support Multilink

PPP.For example, if you are trying to dial into the Internet, your Internet service provider must support Multilink PPP in order to successfully place a Multilink PPP call.

Although this is not generally the case, your Internet service provider may require an Endpoint Discriminator Class and an Endpoint Discriminator. The Endpoint Discriminator Class is configured using S register 82. The Endpoint Discriminator value is configured using S register 83. Refer to Appendix B for acceptable values.

For automatic placement of a Multilink PPP call, once you have checked the appropriate box in the Configuration dialog box, simply launch the call.

For manual dialing, use terminal emulation software and type the following: