Platform SDK: RAS/Routing and RAS

Other Connection Information

The members of the RASDIALPARAMS structure can also specify the following connection information:

For the callback number and the domain, the RASDIALPARAMS members can either indicate that RAS should use the information in the phone-book entry, or it can provide information that overrides the phone-book data.

A RAS client can use the lpRasDialExtensions parameter of the RasDial function to control whether RAS uses a phone number prefix or suffix specified in a phone-book entry.