| 72.20. How to configure an ISDN PPP Dial-UP connection | ||
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 | Chapter 72. HowTo - Networking |  |
| 72.20. How to configure an ISDN PPP Dial-UP connection | ||
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| | Chapter 72. HowTo - Networking | |
Physical connections:
Verify that an ISDN card (PB44, BRI-HFC4, BRI-HFC8) is installed in the Abilis. If the card isn't present, insert it in a free PCI slot.
Connect the ISDN card to NT devices.
Enter into the Abilis control-program or open the configuration file with the Console configurator and type the following commands.
| a res:ip-5 subtype:ppp | Add an “IP over PPP” resource (e.g. IP-5). |
| s p ip-5 lowres:ctislink | Configure the CtiSlink as the lower resource. |
| s p ip-5 dial-in:no dial-out:yes | Enable the outgoing calls and disable the incoming calls. |
| s p ip-5 nrty:30 rty:us | Configure the number of ISDN calls retry. |
| s p ip-5 nrty3:nomax | Configure the PPP authentication number retry. |
| s p ip-5 cdo:01765432456 | Configure the called output number. |
| s p ip-5 username:provider_user password:provider_pwd | Configure the login information. |
| s p ip-5 local:chap,pap remote:none | Configure the local and remote authentication protocol. |
| s p ip-5 descr:ISDN_DIAL-UP_to_TELCO | Configure the description of the IP resource. |
| save conf | Save the configuration. |
On a working Abilis, a system restart is required to make the IP resources running.
![[Tip]](../images/tip.png) | Tip |
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Remember to configure NAT settings. |
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| 72.19. How to configure a Remote Access Server (RAS) |  | 72.21. How to configure a VPN tunnel between two Abilis |