Setting up a Linux Dialin Server over a digital intercom line. I took the following steps:- - Connected an external modem to Linux SuSE 7.2 server. - Setup a Windows 2000 Professional client computer with an internal modem. - The Linux server & Windows client were connected via an intercom for an existing PABX using the modems. - At the server, the modem was installed by running at the root, the command: wvdial.lxdialog The modem was automatically detected and the port name displayed was ttyS0 - Successfully configured and tested dialout from the server to any intercom line using kppp. - Successfully configured and tested dialout from the Client to any intercom line using a dialup connection wizard. - Configured PPP dialin at the server by installing a line-monitoring tool (mgetty). At the root, I accessed a file: /etc/inittab, edited and uncommented the line: m0 : 235 : respawn :/usr/sbin/mgetty –s 38400 ttyS0. This is supposed to answer incoming modem calls. Run the command: /sbin/telinit q for the change to take effect without restarting the server. I edited file: /etc/ppp/options to include the following: detach, asyncmap 0, netmask 255.255.255.0, proxyarp, lock, crtscts, modem, noauth. Created file: /etc/ppp/options.ttyS0 initially with contents (servernameIP : clientnameIP). Checked file: /etc/hosts for existence of IP addresses and names of the server and client. In order to allow pppd to have access to protected network resources I typed the following at the root: chmod u+s /usr/sbin/pppd To force linux runtime system to re-read the /etc/inittab file I typed init q For the server to route the client requests to the rest of the LAN I typed: #echo1 > proc/sys/net/ipv4/ip_forward - Configured the Windows 2000 Professional client computer using “SLIP: Unix connection” to dialin to the linux server. The connection was successfully established. I attempted to configure for both Internet and email (Outlook Express) but failed to establish a connection to the Internet through the server, and failed to access an email account on the server. The connection would go off in the process. Clients on the LAN connect to the Internet with no difficulty. Can someone advise me on how to maintain the connection between the linux server and the windows 2000 client and also ensure that Internet/email connection is established.