Siemens Gigaset talk & surf 6.0 Operating Instructions Manual page 37

Notes on operation
If you set up dial-up connection with channel bundling as the default con-
nection, the system checks whether both B-channels are free when it sets
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up the connection.
If this is not the case, the dial-up connection is automatically set up via
one B-channel.
Re-establishing channel bundling with the Call before data option
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The following example was tested with Windows XP.
If the Call before data option has been activated on your base station, channel bun-
dling will be terminated automatically when there is an incoming call:
The second B-channel is no longer used for channel bundling. The dial-up connec-
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tion is continued on the remaining B-channel.
The incoming call is taken on the now free B-channel.
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Channel bundling is not automatically restored after the telephone call.
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Double-click the icon for the active dial-up connection in the status area of the task
bar.
This opens the status display for the dial-up connection.
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Open the Details tab.
It shows 1 device as the number of active devices.
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Click Resume.
This opens the dialogue for setting up the second connection.
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Click Dial.
This sets up the additional connection via the second B-channel. The status display
now shows 2 devices as the number of active devices.
Channel bundling is active again.
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