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Configuring multiple device dialing

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Applies To: Windows Server 2003, Windows Server 2003 R2, Windows Server 2003 with SP1, Windows Server 2003 with SP2

Configuring multiple device dialing

The Multilink Control Protocol allows dialing over multiple ISDN, X.25, or modem lines. The feature combines multiple physical links into a logical bundle and the resulting aggregate link increases your connection bandwidth. To dial multiple devices, both your connection and your remote access server must have Multilink enabled.

Network Connections can dynamically control the use of multilinked lines. By allocating lines only as they are required, thereby eliminating excess bandwidth, you can realize a significant efficiency advantage. You can configure the conditions under which extra lines are dialed, and underused lines are disconnected, through Network Connections settings.

For more information, see Enable multiple device dialing.

Note

  • If you use Multilink to dial a server that requires callback, then only one of your multilinked devices is called back. This is because you can only store one number in a user account. Therefore, only one device connects and all other devices fail to complete the connection, and your connection loses Multilink functionality. You can avoid this problem:

    • If the multilinked phonebook entry uses a standard modem configuration, and the remote access server that your connection is calling uses more than one line for the same number.

    • If the multilinked phonebook entry is ISDN with two channels that have the same phone number.