Cisco Cisco Expressway Maintenance Manual
Field
Description
Usage tips
ICE support
Controls whether ICE messages are supported by the
devices in this zone.
devices in this zone.
for more
information.
Preloaded
SIP routes
support
SIP routes
support
Switch Preloaded SIP routes support On to enable this
zone to process SIP INVITE requests that contain the
Route header. Switch Preloaded SIP routes support Off
Route header. Switch Preloaded SIP routes support Off
if you want the zone to reject SIP INVITE requests
containing this header.
containing this header.
Modify DNS
request
request
Routes outbound SIP calls from this zone to a manually
specified SIP domain instead of the domain in the dialed
destination.
specified SIP domain instead of the domain in the dialed
destination.
This option is primarily intended for use
with Call Service Connect. See
with Call Service Connect. See
Domain to
search for
search for
Enter a fully qualified domain name to find in DNS
instead of searching for the domain on the outbound SIP
URI. The original SIP URI is not affected.
instead of searching for the domain on the outbound SIP
URI. The original SIP URI is not affected.
SIP
authentication
trust mode
authentication
trust mode
Used in conjunction with the Authentication Policy to
control whether pre-authenticated SIP messages (ones
containing a P-Asserted-Identity header) received from
this zone are trusted and are subsequently treated as
authenticated or unauthenticated within the
Expressway.
control whether pre-authenticated SIP messages (ones
containing a P-Asserted-Identity header) received from
this zone are trusted and are subsequently treated as
authenticated or unauthenticated within the
Expressway.
On: pre-authenticated messages are trusted without
further challenge and subsequently treated as
authenticated within the Expressway. Unauthenticated
messages are challenged if the Authentication Policy is
further challenge and subsequently treated as
authenticated within the Expressway. Unauthenticated
messages are challenged if the Authentication Policy is
set to Check credentials.
Off: any existing authenticated indicators (the P-
Asserted-Identity header) are removed from the
message. Messages from a local domain are challenged
if the Authentication Policy is set to Check credentials.
Asserted-Identity header) are removed from the
message. Messages from a local domain are challenged
if the Authentication Policy is set to Check credentials.
For a DNS zone, you should always set
Authentication policy to treated as
authenticated.
Authentication policy to treated as
authenticated.
Zone profile
Determines how the zone's advanced settings are
configured.
configured.
Default: uses the factory default profile.
Custom: allows you to configure each setting
individually.
individually.
advanced settings.
Only use the Custom profile to
configure the individual advanced
settings on the advice of Cisco
customer support.
configure the individual advanced
settings on the advice of Cisco
customer support.
Zone Configuration: Advanced Settings
The table below describes the advanced zone configuration options for the Custom zone profile. Some of these
settings only apply to specific zone types.
settings only apply to specific zone types.
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Cisco Expressway Administrator Guide
Zones and Neighbors