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This article was previously published under Q259375
Windows 2000 Server and Windows 2000 Advanced Server include a telephony server for distributed access to shared telephony devices. For example, a LAN-based server may have multiple connections to a local telephone switch or PBX. Telephony Application Programming Interface (TAPI) operations invoked by a client are forwarded over the network to the server. The server can then use a third-party call control between itself and the PBX to fulfill the client's call control requests.
This procedure changes whether clients can use the telephony devices accessible to the server. Changes take effect the next time the computer attempts to start the TAPI service.
To manage the Telephony service, you must be a telephony administrator on the server or logged on as an administrator of the server.
tcmsetup /c server1server2The server1 and server2 variables represent names of one or more TAPI servers. The command replaces any previous list, so make sure you list every telephony server you want to make available to the client.
The TAPI client is installed with the Windows 2000 operating system, but you need to perform this procedure to specify servers for the client. The client must be in the same domain as the server or in a fully trusted domain.
You must log on to the client as an administrator to perform this command. If you are logged on to a computer in the Users or Power Users group, you can use the runas command to run Tcmsetup as an administrator, as shown in the following example:
runas /user:mydomain\myname "tcmsetup /c servername"NOTE: You may have to restart the Telephony service for this change to take effect.
Before client users can dial out using the phone lines on the TAPI server, the TAPI server administrator must also assign the users to the phone lines.
Note that Telephony Server is not a modem-sharing server and it does not function as such. To share a connection for Internet access, Microsoft encourages users to use Internet Connection Sharing (ICS) in Windows 2000 Professional, or Microsoft Proxy Server 2.0 Network Address Translation (NAT) in Windows 2000 Server. You can use either of these methods to allow multiple users to use and share the same connection to the Internet simultaneously.