Nortel Remote Gateway 50 Configuration Manual page 201

Figure 66
CDP Option 1: Main office and SRG DN ranges are unique; SRG IP Phone DNs are the same
in Normal and Local Mode
Main Office Configuration for Survivable Remote Gateway 50
Call scenarios
Common call scenarios for this CDP option are listed in "Call scenarios" on
page 194. The following additional call scenarios are unique to this CDP
option:
• An SRG analog telephone registered to the SRG calls a telephone
registered at the main office that can also be an SRG IP Phone in Normal
Mode.
Figure 67 on page 202
Dialing Plan configuration
shows this scenario.
Page 201 of 258
Configuration Guide