ISDN 64 to 128 KPBS modems handling the PPP protocol are generally compatible and
support CHAP authentication.
Note:
When using the Multitech modem, the authentication method must be set to CHAP. This is the default
method for current firmware versions. For modems with older firmware, you must either update the
firmware or activate CHAP with the AT command AT S58=3.
RAS Installation Process
In Windows 7/XP/Vista, you do not need to install new operating system components before
configuring a new access method; the Remote Access Services (RAS) component is installed
by default on these systems.
The sub-sections below describe how to set up the following remote access methods:
- Direct V24 Connection (OmniPCX Office Direct V24)
- Remote connection via ISDN modem (an example is provided for driver installation)
V24 Driver Installation Procedure
1. Open the Control panel.
2. Select Phone and Modem Options.
3. Select the Modems tab.
4. Click Add.
5. Check Don't detect my modem; I will select it from the list.
6. Follow the Wizard instructions to install the modem. You will need to choose the COM port
that will be associated with the modem.
7. You may need to reboot the PC to complete the installation.
Installing the Driver for an ISDN Modem (example)
The following procedure describes how to install a FRITZ modem.
1. Insert the modem installation CD-ROM.
2. Click the FRITZ ยกX PC Capi driver installer icon The wizard is displayed.
a. Indicate the serial port where the modem will be connected.
b. When the install process is complete, reboot the PC.
3. Insert the modem installation CD-ROM. The wizard is displayed
a. Click the FRITZ ยก32 Communication Software installer icon.
b. Select Install and configure.
c. Use the default installation (click on Next in each Wizard screen).
d. At the end of the Wizard mode, check the Install Capi-port driver box.
4. Select AVM ISDN1 Internet (PPP over ISDN).
5. Reboot the PC.
Using Remote Access With OMC
1. Launch OMC. The OMC Welcome page is displayed.
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