Cisco Cisco Expressway Maintenance Manual
Setting
Description
Default Zone
types
SIP Proxy-
Require
header strip
list
Require
header strip
list
A comma-separated list of option tags to search for and remove from Proxy-
Require headers in SIP requests received from this zone.
Require headers in SIP requests received from this zone.
None
Neighbor
Include
address
record
address
record
Determines whether, if no NAPTR (SIP) or SRV (SIP and H.323) records
have been found for the dialed alias via this zone, the Expressway will
then query for A and AAAA DNS records before moving on to query lower
priority zones. If A and AAAA records exist at the same domain for systems
other than those that support SIP or H.323, this may result in the
Expressway believing the search was successful and forwarding calls to
this zone, and the call will fail.
have been found for the dialed alias via this zone, the Expressway will
then query for A and AAAA DNS records before moving on to query lower
priority zones. If A and AAAA records exist at the same domain for systems
other than those that support SIP or H.323, this may result in the
Expressway believing the search was successful and forwarding calls to
this zone, and the call will fail.
On: the Expressway queries for A or AAAA records. If any are found, the
Expressway will not then query any lower priority zones.
Expressway will not then query any lower priority zones.
Off: the Expressway will not query for A and AAAA records and instead will
continue with the search, querying the remaining lower priority zones.
continue with the search, querying the remaining lower priority zones.
Off
DNS
Zone configuration: pre-configured profile settings
The table below shows the advanced zone configuration option settings that are automatically applied for
each of the pre-configured profiles.
each of the pre-configured profiles.
Setting
Cisco Unified
Communications
Manager
Communications
Manager
Cisco Unified
Communications
Manager (8.6.1
or later)
Communications
Manager (8.6.1
or later)
Nortel
Communication
Server 1000
Communication
Server 1000
Infrastructure
device
device
Default
Monitor peer status
Yes
Yes
Yes
No
Yes
Call signaling routed mode
Always
Always
Auto
Always
Auto
Automatically respond to
H.323 searches
H.323 searches
Off
Off
Off
On
Off
H.323 call signaling port
1720
1720
1720
1720
1720
Automatically respond to
SIP searches
SIP searches
Off
Off
Off
On
Off
Send empty INVITE for
interworked calls
interworked calls
On
On
On
On
On
SIP poison mode
Off
Off
Off
Off
Off
SIP encryption mode
Auto
Auto
Auto
Auto
Auto
SIP SDP attribute line limit
mode
mode
Off
Off
Off
Off
Off
SIP SDP attribute line limit
length
length
130
130
130
130
130
SIP multipart MIME strip
mode
mode
Off
Off
Off
Off
Off
SIP UPDATE strip mode
Off
Off
On
Off
Off
Cisco Expressway Administrator Guide (X8.1.1)
Page 95 of 343
Zones and neighbors
Configuring zones