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RASFinder RF300E/RF310E User Guide
RF300E/RF310E54
But, if your local telephone company requires either SPIDs and/or Directory Numbers for the US
Parameters or ISDNs and Sub Addresses for the European Paramters, you will have to enter these
fields for each WAN port on the RASfinder. A word of caution at this point with respect to entering
this type of information, your need to ensure that these fields are filled in exactly as they are provided
from your local telephone company, because the SPID and DN or ISDN and sub address have to
correspond to the BRI line coming into the RASFinder and the WAN ports assigned to that BRI line.
For if the SPID or ISDN is not on the same BRI line that is provisioned by the local telephone
company, the call will not be completed.
A SPID (Service Profile Identifier) is a number supplied by your local telephone company which
encompasses the phone number.
A Data or Voice Directory Number (DN) is the telephone number assigned to that B-channel for the
BRI line (telephone line) supplied by your local telephone company. If a DN is assigned, then only
the device associated with that WAN port will respond to the call.
In our Router Application example in Figure 4-3, lets assume that telephone connection is being
made for a US (North American) network. During the provisioning phase of setting up the local ISDN
connection, the local telephone company used telephone number 716-5565 for WAN 1 of BRI 1. This
telephone number should correspond to Wan 1 in the ISDN Parameter Configuration dialog box.
The SPID for the first B-channel (WAN 1) could be 0716556501. The telephone company also used
telephone number 716-5466 for the second B-channel (WAN 2) of BRI 1. The SPID for the second
B-channel could be 0716546601. In our example application, the ISDN Parameter Configuration
dialog box for the US Parameters would contain Data SPID of 0716556501 and Voice SPID of
0716546601. If you want either of these calls to be connected to Wan 1 or Wan 2 you would also
enter the telephone number in the Data or Voice Directory Num field. So for example, if you wanted
the Data SPID 0716556501 to be directed to Wan 1, you would enter telephone number 7165565 in
the Data Directory Num field for Wan 1. If you wanted the calls directed to the second B-channel of
BRI 1 to go to Wan 2, you would enter telephone number 7165466 in the Voice Directory Num field
for Wan 2. When you have finished enterring the parameters for Wan 1, you click the OK button and
you will be returned to the dialog box with the ISDN TA Control group. You would then change to
WAN 2 and configure the ISDN Parameter Configuration dialog box. When you have configured both
BRI ports connected to the local telephone company, you are now ready to start routing between
LANs.