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330 APPENDIX B: AUTOMATED BRANCH OFFICE INSTALLATION
Sample Media Gateway Configuration File (continued)
MWISERVERIP = '0.0.0.0'
Specify the IP address of a Message Waiting Indicator (MWI) server. For
VCX systems, specify the IP address of the primary IP Messaging Server.
ASSERTEDIDMODE = 1
Specify one of these modes for sending Caller ID information in an INVITE
message:
0 — No Caller ID information is sent (default).
1 — P-Asserted header includes Caller ID. P-Asserted headers are used
among trusted SIP entities.
2 — P-Preferred header includes Caller ID. P-Preferred headers are used
from a user agent to a trusted proxy.
MWIANALOGLAMP = 1
For FXS modules only, enable (1) or disable (0, default) sending a voltage
to a connected analog telephone to activate the telephone’s Message
Waiting Indicator lamp.
MWIDISPLAY = 1
Enable (1) or disable (0, default) sending Message Waiting Indicator
information (MWI FSK Message) to the display of a telephone.
ENABLEMWI = 1
Enable (1) or disable (0, default) the Message Waiting Indicator feature.
NOTE: The Media Gateway can receive MWI information but not send it.
USEGATEWAYNAMEFOROPTIONS = 1
Enable (1) or disable (0, default) the use of the Media Gateway’s IP
address in keep-alive OPTIONS messages.
ADDTON2RPI = 0
Enable (1, default) or disable (0) the addition of Number Plan and Type to
Remote Party ID Header.
ISFAXUSED = 1
Enables (1) or disables (0, default) T.38 fax relay. NOTE: If you enable this
feature, “FaxTransportMode” must also be enabled (set to 1).