Nortel Networks M3310 - Manual (Page 66)

66 Digital Telephone IP Adapter Installation and Administration Guide
Planning for installation Standard 2.1
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The RLC requires an IP address that the Digital Telephone IP Adapter unit
can access.
Model 2: IP on-demand
If your BRI routers incur toll charges, configure an IP on-demand connection.
!
TCP/IP signaling sessions between the RLC and the Digital Telephone IP
Adapter unit close when calls end.
!
Configure a static IP address for the Digital Telephone IP Adapter unit on
the RLC for best service.
!
IP on-demand configuration supports VPNs.
!
IP on-demand configuration does not support NAT or PNAT routers.
!
Both the RLC and Digital Telephone IP Adapter unit require IP addresses
that are accessible from the other unit.