Configuring Multilink Connections for Using Dynamic Bandwidth Allocation Protocol (254302)

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When a server provides a different phone number for each modem used in the connection, the client calls each number in turn when it needs to bring up an additional line. If only the first modem is associated with a number, the client uses BAP to ask the server to supply a phone number. This behavior is true for both a simple dial-up client and for a demand-dial client.

In order for the server to respond to the client's incoming request, the server must know the phone numbers for each of its own modems. There are two ways for the server administrator to enter the called number for each of the modems:

1. For dial-up connections, type the phone number for each modem on a port:
   1. Click Start, point to Programs, point to Administrative Tools, and then click Routing And Remote Access.
   2. In the console tree, click the appropriate server icon, right-click Ports, and then click Properties.
   3. In the Ports Properties dialog box, click the ports that correspond to the dial-up equipment, and then click Configure.
   4. In Phone number for this device box, type the phone number, and then click OK.
2. For demand-dial connections, type the phone number for each modem listed in the Callback tab:
   
   
   1. Click Start, point to Settings, and then click Network and Dial-up Connections.
   2. On the Advanced menu, click Dial-up Preferences.
   3. On the Callback tab, click to select Always call me back at the numbers below.
   4. For each modem listed on the Callback tab, click the modem, click Edit, and then type the phone number for that modem.
   5. Click OK.
   NOTE: You can then disable callback by selecting No Callback. The phone numbers will still apply.