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176 Chapter 6: Using ISDN and DDR Technologies
where it is not demodulated, but left in digital form. The MICA modem negotiates the
connection just as any other modem.
Once the connection is complete, the calling party machine is assigned an IP address from the
IP address pool configured on the NAS, or another configured source. Once an IP address and
default gateway are assigned, the calling party machine functions as if it were attached to the
LAN on the remote side of the NAS.